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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:136878
[Rus]
Version
2
Class
patch
ALTXid
332277
Language
English
Severity
High
Title
openSUSE-SU-2020:1056-1 -- Security update for LibVNCServer
Description
This update for LibVNCServer fixes the security issues.
Family
unix
Platform
openSUSE Leap 15.2
Product
libvncclient0
Reference
VENDOR: openSUSE-SU-2020:1056-1
VENDOR: openSUSE-SU-2020:1056-1
Id:
openSUSE-SU-2020:1056-1
Reference:
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
CVE: CVE-2017-18922
CVE: CVE-2017-18922
Id:
CVE-2017-18922
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18922
Comment
: It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing 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
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://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433 (MISC)
https://www.openwall.com/lists/oss-security/2020/06/30/2 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1852356 (MISC)
[oss-security] 20200630 Re: libvncserver: old websocket decoding patch (MLIST)
openSUSE-SU-2020:0960 (SUSE)
USN-4407-1 (UBUNTU)
openSUSE-SU-2020:0978 (SUSE)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
FEDORA-2020-37112ac660 ()
FEDORA-2020-1a4b1c8271 ()
CVE: CVE-2018-21247
CVE: CVE-2018-21247
Id:
CVE-2018-21247
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21247
Comment
: An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.
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:
909 ()
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/issues/253 (MISC)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
FEDORA-2020-37112ac660 ()
FEDORA-2020-1a4b1c8271 ()
CVE: CVE-2019-20839
CVE: CVE-2019-20839
Id:
CVE-2019-20839
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20839
Comment
: libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/3fd03977c9b35800d73a865f167338cb4d05b0c1 (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
FEDORA-2020-37112ac660 ()
FEDORA-2020-1a4b1c8271 ()
CVE: CVE-2019-20840
CVE: CVE-2019-20840
Id:
CVE-2019-20840
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20840
Comment
: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76 (MISC)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
FEDORA-2020-1a4b1c8271 ()
CVE: CVE-2020-14397
CVE: CVE-2020-14397
Id:
CVE-2020-14397
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14397
Comment
: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/38e98ee61d74f5f5ab4aa4c77146faad1962d6d0 (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
USN-4573-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2020-14398
CVE: CVE-2020-14398
Id:
CVE-2020-14398
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14398
Comment
: An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
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:3.1/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://github.com/LibVNC/libvncserver/commit/57433015f856cc12753378254ce4f1c78f5d9c7b (MISC)
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2020-14399
CVE: CVE-2020-14399
Id:
CVE-2020-14399
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14399
Comment
: An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
CWE-Other ()
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
https://bugzilla.redhat.com/show_bug.cgi?id=1860354 (MISC)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
CVE: CVE-2020-14400
CVE: CVE-2020-14400
Id:
CVE-2020-14400
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14400
Comment
: An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
CWE-Other ()
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/53073c8d7e232151ea2ecd8a1243124121e10e2d (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
https://bugzilla.redhat.com/show_bug.cgi?id=1860361 (MISC)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
CVE: CVE-2020-14401
CVE: CVE-2020-14401
Id:
CVE-2020-14401
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14401
Comment
: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
CVSSv2 Score:
6.4
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CWE:
190 (Integer Overflow or Wraparound)
References:
https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af (MISC)
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
CVE: CVE-2020-14402
CVE: CVE-2020-14402
Id:
CVE-2020-14402
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14402
Comment
: An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
CVSSv2 Score:
5.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:P/I:N/A:P
CVSSv3 Score:
5.4
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE:
787 (Out-of-bounds Write)
References:
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (MISC)
https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff (MISC)
[debian-lts-announce] 20200630 [SECURITY] [DLA 2264-1] libvncserver security update (MLIST)
openSUSE-SU-2020:0988 (SUSE)
openSUSE-SU-2020:1025 (SUSE)
openSUSE-SU-2020:1056 (SUSE)
USN-4434-1 (UBUNTU)
[debian-lts-announce] 20200828 [SECURITY] [DLA 2347-1] libvncserver security update (MLIST)
USN-4573-1 (UBUNTU)
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (CONFIRM)
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