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

High Nessus Plugin ID 25187

Synopsis

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

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.

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'

See Also

https://security.gentoo.org/glsa/200705-10

Plugin Details

Severity: High

ID: 25187

File Name: gentoo_GLSA-200705-10.nasl

Version: 1.16

Type: local

Published: 2007/05/10

Updated: 2019/08/02

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libXfont, p-cpe:/a:gentoo:linux:tightvnc, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2007/05/08

Vulnerability Publication Date: 2007/04/03

Reference Information

CVE: CVE-2007-1003, CVE-2007-1351, CVE-2007-1352

GLSA: 200705-10

CWE: 189