FreeBSD : libXfont -- BDF parsing issues (f7d79fac-cd49-11e4-898f-bcaec565249c)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.

Synopsis :

The remote FreeBSD host is missing one or more security-related

Description :

Alan Coopersmith reports :

Ilja van Sprundel, a security researcher with IOActive, has discovered
an issue in the parsing of BDF font files by libXfont. Additional
testing by Alan Coopersmith and William Robinet with the American
Fuzzy Lop (afl) tool uncovered two more issues in the parsing of BDF
font files.

As libXfont is used by the X server to read font files, and an
unprivileged user with access to the X server can tell the X server to
read a given font file from a path of their choosing, these
vulnerabilities have the potential to allow unprivileged users to run
code with the privileges of the X server (often root access).

See also :

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 8.5

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 81901 ()

Bugtraq ID:

CVE ID: CVE-2015-1802

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