Vulnerability Monitor

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CVE-2018-14600

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

Published

2018-08-24T19:29:01.567

Last Modified

2024-11-21T03:49:23.207

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	x.org	libx11	≤ 1.6.5	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://www.openwall.com/lists/oss-security/2018/08/21/6 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/105177 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1041543 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2019:2079 ([email protected])
https://bugzilla.suse.com/show_bug.cgi?id=1102068 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html Mailing List, Third Party Advisory ([email protected])
https://lists.x.org/archives/xorg-announce/2018-August/002916.html Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201811-01 Third Party Advisory ([email protected])
https://usn.ubuntu.com/3758-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3758-2/ Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2018/08/21/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/105177 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1041543 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:2079 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.suse.com/show_bug.cgi?id=1102068 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.x.org/archives/xorg-announce/2018-August/002916.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201811-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3758-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3758-2/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)