CVE-2018-15853

Published: Aug 25, 2018Modified: Nov 21, 2024

5.5

Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.

Affected (5)

Products: Xkbcommon: Libxkbcommon, Xkbcommon · Canonical: Ubuntu Linux

2 products

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Xkbcommon Libxkbcommon	Before 0.8.1
Xkbcommon Xkbcommon	Before 0.8.1

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (12)

https://access.redhat.com/errata/RHSA-2019:2079

Source: cve@mitre.org

https://github.com/xkbcommon/libxkbcommon/commit/1f9d1248c07cda8aaff762429c0dce146de8632a

Source: cve@mitre.org

PatchThird Party Advisory

https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html

Source: cve@mitre.org

Mailing ListPatchThird Party Advisory

https://security.gentoo.org/glsa/201810-05

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3786-1/

Source: cve@mitre.org

Third Party Advisory

https://usn.ubuntu.com/3786-2/

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2079