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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:183210
[Eng]
Version
1
Class
patch
ALTXid
396769
Language
Russian
Severity
High
Title
Обновление RHSA-2019:1791 : устранение уязвимостей в libssh2
Description
libssh2: Integer overflow in transport read resulting in out of bounds write.
libssh2: Integer overflow in keyboard interactive handling resulting in out of bounds write.
libssh2: Integer overflow in SSH packet processing channel resulting in out of bounds write.
libssh2: Integer overflow in user authenticate keyboard interactive allows out-of-bounds writes.
Family
unix
Platform
Red Hat Enterprise Linux 7.5
Product
libssh2
Reference
VENDOR: RHSA-2019:1791
VENDOR: RHSA-2019:1791
Id:
RHSA-2019:1791
Reference:
https://access.redhat.com/errata/RHSA-2019:1791
CVE: CVE-2019-3855
CVE: CVE-2019-3855
Id:
CVE-2019-3855
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3855
Comment
: An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVSSv2 Score:
9.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.libssh2.org/CVE-2019-3855.html (MISC)
20190319 [slackware-security] libssh2 (SSA:2019-077-01) (BUGTRAQ)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3855 (CONFIRM)
107485 (BID)
[oss-security] 20190318 [SECURITY ADVISORIES] libssh2 (MLIST)
http://packetstormsecurity.com/files/152136/Slackware-Security-Advisory-libssh2-Updates.html (MISC)
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2019-767 (CONFIRM)
[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20190327-0005/ (CONFIRM)
RHSA-2019:0679 (REDHAT)
openSUSE-SU-2019:1075 (SUSE)
openSUSE-SU-2019:1109 (SUSE)
DSA-4431 (DEBIAN)
20190415 [SECURITY] [DSA 4431-1] libssh2 security update (BUGTRAQ)
RHSA-2019:1175 (REDHAT)
RHSA-2019:1652 (REDHAT)
RHSA-2019:1791 (REDHAT)
RHSA-2019:1943 (REDHAT)
RHSA-2019:2399 (REDHAT)
https://support.apple.com/kb/HT210609 (CONFIRM)
20190927 APPLE-SA-2019-9-26-7 Xcode 11.0 (BUGTRAQ)
20190927 APPLE-SA-2019-9-26-7 Xcode 11.0 (FULLDISC)
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (MISC)
FEDORA-2019-f31c14682f ()
FEDORA-2019-3348cb4934 ()
FEDORA-2019-9d85600fc7 ()
FEDORA-2019-5885663621 ()
CVE: CVE-2019-3856
CVE: CVE-2019-3856
Id:
CVE-2019-3856
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3856
Comment
: An integer overflow flaw, which could lead to an out of bounds write, was discovered in libssh2 before 1.8.1 in the way keyboard prompt requests are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.libssh2.org/CVE-2019-3856.html (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3856 (CONFIRM)
[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20190327-0005/ (CONFIRM)
RHSA-2019:0679 (REDHAT)
openSUSE-SU-2019:1075 (SUSE)
openSUSE-SU-2019:1109 (SUSE)
DSA-4431 (DEBIAN)
20190415 [SECURITY] [DSA 4431-1] libssh2 security update (BUGTRAQ)
RHSA-2019:1175 (REDHAT)
RHSA-2019:1652 (REDHAT)
RHSA-2019:1791 (REDHAT)
RHSA-2019:1943 (REDHAT)
RHSA-2019:2399 (REDHAT)
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (MISC)
FEDORA-2019-3348cb4934 ()
CVE: CVE-2019-3857
CVE: CVE-2019-3857
Id:
CVE-2019-3857
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3857
Comment
: An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.libssh2.org/CVE-2019-3857.html (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3857 (CONFIRM)
[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20190327-0005/ (CONFIRM)
RHSA-2019:0679 (REDHAT)
openSUSE-SU-2019:1075 (SUSE)
openSUSE-SU-2019:1109 (SUSE)
DSA-4431 (DEBIAN)
20190415 [SECURITY] [DSA 4431-1] libssh2 security update (BUGTRAQ)
RHSA-2019:1175 (REDHAT)
RHSA-2019:1652 (REDHAT)
RHSA-2019:1791 (REDHAT)
RHSA-2019:1943 (REDHAT)
RHSA-2019:2399 (REDHAT)
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (MISC)
FEDORA-2019-3348cb4934 ()
CVE: CVE-2019-3863
CVE: CVE-2019-3863
Id:
CVE-2019-3863
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3863
Comment
: A flaw was found in libssh2 before 1.8.1. A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out of bounds memory write error.
CVSSv2 Score:
6.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.libssh2.org/CVE-2019-3863.html (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3863 (CONFIRM)
[debian-lts-announce] 20190326 [SECURITY] [DLA 1730-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20190327-0005/ (CONFIRM)
RHSA-2019:0679 (REDHAT)
openSUSE-SU-2019:1075 (SUSE)
openSUSE-SU-2019:1109 (SUSE)
DSA-4431 (DEBIAN)
20190415 [SECURITY] [DSA 4431-1] libssh2 security update (BUGTRAQ)
RHSA-2019:1175 (REDHAT)
RHSA-2019:1652 (REDHAT)
RHSA-2019:1791 (REDHAT)
RHSA-2019:1943 (REDHAT)
RHSA-2019:2399 (REDHAT)
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html (MISC)
FEDORA-2019-3348cb4934 ()
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