GLSA-200711-08 : libpng: Multiple Denials of Service

Medium Nessus Plugin ID 27825


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


The remote host is affected by the vulnerability described in GLSA-200711-08 (libpng: Multiple Denials of Service)

An off-by-one error when handling ICC profile chunks in the png_set_iCCP() function was discovered (CVE-2007-5266). George Cook and Jeff Phillips reported several errors in pngrtran.c, the use of logical instead of a bitwise functions and incorrect comparisons (CVE-2007-5268). Tavis Ormandy reported out-of-bounds read errors in several PNG chunk handling functions (CVE-2007-5269).
Impact :

A remote attacker could craft an image that when processed or viewed by an application using libpng would cause the application to terminate abnormally.
Workaround :

There is no known workaround at this time.


All libpng users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.2.21-r3'

See Also

Plugin Details

Severity: Medium

ID: 27825

File Name: gentoo_GLSA-200711-08.nasl

Version: $Revision: 1.12 $

Type: local

Published: 2007/11/08

Modified: 2016/11/11

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libpng, cpe:/o:gentoo:linux

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

Patch Publication Date: 2007/11/07

Vulnerability Publication Date: 2007/09/12

Reference Information

CVE: CVE-2007-5266, CVE-2007-5268, CVE-2007-5269

OSVDB: 38272, 38273, 38274

GLSA: 200711-08

CWE: 20, 189