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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:141583
[Eng]
Version
1
Class
patch
ALTXid
339238
Language
Russian
Severity
Medium
Title
Обновление USN-4587-1 -- уязвимости iTALC
Description
Nicolas Ruff discovered that iTALC had buffer overflows, divide-by-zero errorsand didn't check malloc return values. A remote attacker could use these issuesto cause a denial of service or possibly execute arbitrary code.
Family
unix
Platform
Linux Mint 18.x
Ubuntu 16.04
Product
italc
Reference
VENDOR: USN-4587-1
VENDOR: USN-4587-1
Id:
USN-4587-1
Reference:
https://ubuntu.com/security/notices/USN-4587-1
CVE: CVE-2014-6051
CVE: CVE-2014-6051
Id:
CVE-2014-6051
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6051
Comment
: Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE:
189 (Numeric Errors)
References:
[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues (MLIST)
[oss-security] 20140923 Multiple issues in libVNCserver (MLIST)
https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273 (CONFIRM)
http://www.ocert.org/advisories/ocert-2014-007.html (MISC)
61506 (SECUNIA)
FEDORA-2014-11537 (FEDORA)
FEDORA-2014-11685 (FEDORA)
https://www.kde.org/info/security/advisory-20140923-1.txt (CONFIRM)
DSA-3081 (DEBIAN)
RHSA-2015:0113 (REDHAT)
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (CONFIRM)
70093 (BID)
openSUSE-SU-2015:2207 (SUSE)
GLSA-201507-07 (GENTOO)
GLSA-201612-36 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2014-6052
CVE: CVE-2014-6052
Id:
CVE-2014-6052
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6052
Comment
: The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CWE:
20 (Improper Input Validation)
References:
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812 (CONFIRM)
USN-2365-1 (UBUNTU)
[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues (MLIST)
http://www.ocert.org/advisories/ocert-2014-007.html (MISC)
[oss-security] 20140923 Multiple issues in libVNCserver (MLIST)
61506 (SECUNIA)
61682 (SECUNIA)
DSA-3081 (DEBIAN)
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html (CONFIRM)
70091 (BID)
openSUSE-SU-2015:2207 (SUSE)
GLSA-201507-07 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2014-6053
CVE: CVE-2014-6053
Id:
CVE-2014-6053
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6053
Comment
: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted message that is processed by using a single unchecked malloc.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE:
19 (Data Handling)
References:
USN-2365-1 (UBUNTU)
[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues (MLIST)
https://github.com/newsoft/libvncserver/commit/6037a9074d52b1963c97cb28ea1096c7c14cbf28 (CONFIRM)
http://www.ocert.org/advisories/ocert-2014-007.html (MISC)
[oss-security] 20140923 Multiple issues in libVNCserver (MLIST)
61506 (SECUNIA)
61682 (SECUNIA)
DSA-3081 (DEBIAN)
openSUSE-SU-2015:2207 (SUSE)
GLSA-201507-07 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2014-1] vino security update (MLIST)
[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update (MLIST)
USN-4573-1 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2014-6054
CVE: CVE-2014-6054
Id:
CVE-2014-6054
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6054
Comment
: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE:
189 (Numeric Errors)
References:
[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues (MLIST)
61682 (SECUNIA)
http://www.ocert.org/advisories/ocert-2014-007.html (MISC)
[oss-security] 20140923 Multiple issues in libVNCserver (MLIST)
61506 (SECUNIA)
USN-2365-1 (UBUNTU)
https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446 (CONFIRM)
DSA-3081 (DEBIAN)
70094 (BID)
openSUSE-SU-2015:2207 (SUSE)
GLSA-201507-07 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2014-6055
CVE: CVE-2014-6055
Id:
CVE-2014-6055
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-6055
Comment
: Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rfbFileTransferOffer message.
CVSSv2 Score:
6.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
http://www.ocert.org/advisories/ocert-2014-007.html (MISC)
70096 (BID)
[oss-security] 20140923 Multiple issues in libVNCserver (MLIST)
https://github.com/newsoft/libvncserver/commit/06ccdf016154fde8eccb5355613ba04c59127b2e (CONFIRM)
[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues (MLIST)
61506 (SECUNIA)
FEDORA-2014-11537 (FEDORA)
FEDORA-2014-11685 (FEDORA)
https://github.com/newsoft/libvncserver/commit/f528072216dec01cee7ca35d94e171a3b909e677 (CONFIRM)
https://www.kde.org/info/security/advisory-20140923-1.txt (CONFIRM)
DSA-3081 (DEBIAN)
RHSA-2015:0113 (REDHAT)
openSUSE-SU-2015:2207 (SUSE)
GLSA-201507-07 (GENTOO)
libvncserver-cve20146055-bo(96187) (XF)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2016-9941
CVE: CVE-2016-9941
Id:
CVE-2016-9941
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9941
Comment
: Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 (CONFIRM)
https://github.com/LibVNC/libvncserver/pull/137 (CONFIRM)
95170 (BID)
DSA-3753 (DEBIAN)
GLSA-201702-24 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2016-9942
CVE: CVE-2016-9942
Id:
CVE-2016-9942
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9942
Comment
: Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 (CONFIRM)
https://github.com/LibVNC/libvncserver/pull/137 (CONFIRM)
95170 (BID)
DSA-3753 (DEBIAN)
GLSA-201702-24 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-15127
CVE: CVE-2018-15127
Id:
CVE-2018-15127
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15127
Comment
: LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains heap out-of-bound write vulnerability in server code of file transfer extension that can result remote code execution
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
RHSA-2019:0059 (REDHAT)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20019
CVE: CVE-2018-20019
Id:
CVE-2018-20019
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20019
Comment
: LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2018-20020
CVE: CVE-2018-20020
Id:
CVE-2018-20020
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20020
Comment
: LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update (MLIST)
GLSA-202006-06 (GENTOO)
USN-4547-1 (UBUNTU)
USN-4547-2 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20021
CVE: CVE-2018-20021
Id:
CVE-2018-20021
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20021
Comment
: LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM
CVSSv2 Score:
7.8
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-031-libvnc-infinite-loop/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update (MLIST)
[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update (MLIST)
GLSA-202006-06 (GENTOO)
USN-4547-1 (UBUNTU)
USN-4547-2 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20022
CVE: CVE-2018-20022
Id:
CVE-2018-20022
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20022
Comment
: LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
665 (Improper Initialization)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update (MLIST)
[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update (MLIST)
GLSA-202006-06 (GENTOO)
USN-4547-1 (UBUNTU)
USN-4547-2 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20023
CVE: CVE-2018-20023
Id:
CVE-2018-20023
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20023
Comment
: LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
665 (Improper Initialization)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-033-libvnc-memory-leak/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20024
CVE: CVE-2018-20024
Id:
CVE-2018-20024
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20024
Comment
: LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-libvnc-null-pointer-dereference/ (MISC)
[debian-lts-announce] 20181227 [SECURITY] [DLA 1617-1] libvncserver security update (MLIST)
USN-3877-1 (UBUNTU)
DSA-4383 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2016-1] ssvnc security update (MLIST)
GLSA-202006-06 (GENTOO)
USN-4547-1 (UBUNTU)
USN-4547-2 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2018-20748
CVE: CVE-2018-20748
Id:
CVE-2018-20748
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20748
Comment
: LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.openwall.com/lists/oss-security/2018/12/10/8 (MISC)
https://github.com/LibVNC/libvncserver/issues/273 (MISC)
https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c (MISC)
https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a (MISC)
https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7 (MISC)
https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae (MISC)
USN-3877-1 (UBUNTU)
[debian-lts-announce] 20190131 [SECURITY] [DLA 1652-1] libvncserver security update (MLIST)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2018-20749
CVE: CVE-2018-20749
Id:
CVE-2018-20749
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20749
Comment
: LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.openwall.com/lists/oss-security/2018/12/10/8 (MISC)
https://github.com/LibVNC/libvncserver/issues/273 (MISC)
https://github.com/LibVNC/libvncserver/commit/15bb719c03cc70f14c36a843dcb16ed69b405707 (MISC)
USN-3877-1 (UBUNTU)
[debian-lts-announce] 20190131 [SECURITY] [DLA 1652-1] libvncserver security update (MLIST)
106825 (BID)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2018-20750
CVE: CVE-2018-20750
Id:
CVE-2018-20750
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20750
Comment
: LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.openwall.com/lists/oss-security/2018/12/10/8 (MISC)
https://github.com/LibVNC/libvncserver/issues/273 (MISC)
https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec (MISC)
USN-3877-1 (UBUNTU)
[debian-lts-announce] 20190131 [SECURITY] [DLA 1652-1] libvncserver security update (MLIST)
106825 (BID)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4587-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2018-7225
CVE: CVE-2018-7225
Id:
CVE-2018-7225
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7225
Comment
: An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
190 (Integer Overflow or Wraparound)
References:
https://github.com/LibVNC/libvncserver/issues/218 (MISC)
http://www.openwall.com/lists/oss-security/2018/02/18/1 (MISC)
103107 (BID)
[debian-lts-announce] 20180330 [SECURITY] [DLA 1332-1] libvncserver security update (MLIST)
USN-3618-1 (UBUNTU)
RHSA-2018:1055 (REDHAT)
DSA-4221 (DEBIAN)
GLSA-201908-05 (GENTOO)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2014-1] vino security update (MLIST)
[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update (MLIST)
USN-4547-1 (UBUNTU)
USN-4573-1 (UBUNTU)
USN-4587-1 (UBUNTU)
CVE: CVE-2019-15681
CVE: CVE-2019-15681
Id:
CVE-2019-15681
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15681
Comment
: LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE:
665 (Improper Initialization)
References:
https://github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a (MISC)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1977-1] libvncserver security update (MLIST)
[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update (MLIST)
[debian-lts-announce] 20191129 [SECURITY] [DLA 2014-1] vino security update (MLIST)
[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update (MLIST)
openSUSE-SU-2020:0624 (SUSE)
USN-4407-1 (UBUNTU)
openSUSE-SU-2020:1071 (SUSE)
USN-4547-1 (UBUNTU)
USN-4573-1 (UBUNTU)
USN-4587-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
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