GLSA-200705-10 : LibXfont, TightVNC: Multiple vulnerabilities

This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-200705-10
(LibXfont, TightVNC: Multiple vulnerabilities)

The libXfont code is prone to several integer overflows, in functions
ProcXCMiscGetXIDList(), bdfReadCharacters() and FontFileInitTable().
TightVNC contains a local copy of this code and is also affected.

Impact :

A local attacker could use a specially crafted BDF Font to gain root
privileges on the vulnerable host.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All libXfont users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=x11-libs/libXfont-1.2.7-r1'
All TightVNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/tightvnc-1.2.9-r4'

Risk factor :

High / CVSS Base Score : 9.0

Family: Gentoo Local Security Checks

Nessus Plugin ID: 25187 (gentoo_GLSA-200705-10.nasl)

Bugtraq ID:

CVE ID: CVE-2007-1003

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