CVE-2017-13722

high

Description

In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.

References

https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2

https://security.gentoo.org/glsa/201711-08

https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd

https://bugzilla.suse.com/show_bug.cgi?id=1049692

https://bugzilla.redhat.com/show_bug.cgi?id=1500693

http://www.debian.org/security/2017/dsa-3995

Details

Source: Mitre, NVD

Published: 2017-10-11

Updated: 2017-11-13

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.1

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

Severity: High