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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

Information

Published : 2018-08-24 12:29

Updated : 2019-08-06 10:15

NVD link : CVE-2018-14600

Mitre link : CVE-2018-14600

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

x.org

libx11

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