CVE-2018-15855

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

Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkb_geometry section was mishandled.

Affected (4)

Products: Xkbcommon Project: Xkbcommon · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xkbcommon Project 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-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (12)

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

Source: cve@mitre.org

https://github.com/xkbcommon/libxkbcommon/commit/917636b1d0d70205a13f89062b95e3a0fc31d4ff

Source: cve@mitre.org

PatchThird Party Advisory

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

Source: cve@mitre.org

Third 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