Vulnerability Details : 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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2018-14600
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-14600
9.43%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-14600
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-14600
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-14600
-
https://usn.ubuntu.com/3758-2/
USN-3758-2: libx11 vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/105177
X.Org libX11 'ListExt.c' Multiple Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
-
https://bugzilla.suse.com/show_bug.cgi?id=1102068
Bug 1102068 – VUL-0: CVE-2018-14600: libX11,xorg-x11-libX11, xorg-x11: out of boundary write in XListExtensionsIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/201811-01
X.Org X11 library: Multiple vulnerabilities (GLSA 201811-01) — Gentoo securityThird Party Advisory
-
https://usn.ubuntu.com/3758-1/
USN-3758-1: libx11 vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/08/msg00030.html
[SECURITY] [DLA 1482-1] libx11 security updateMailing List;Third Party Advisory
-
http://www.securitytracker.com/id/1041543
X.org libX11 Bugs Let Remote Users Deny Service and Potentially Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://access.redhat.com/errata/RHSA-2019:2079
RHSA-2019:2079 - Security Advisory - Red Hat Customer Portal
-
https://lists.x.org/archives/xorg-announce/2018-August/002916.html
[ANNOUNCE] libX11 1.6.6Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2018/08/21/6
oss-security - X.Org security advisory: August 21, 2018Mailing List;Third Party Advisory
-
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=dbf72805fd9d7b1846fe9a11b46f3994bfc27fea
xorg/lib/libX11 - libX11 GIT Repository (mirrored from https://gitlab.freedesktop.org/xorg/lib/libx11)Patch;Third Party Advisory
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