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

This script is Copyright (C) 2007-2016 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-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

Workaround :

There is no known workaround at this time.

See also :

Solution :

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

Risk factor :

Medium / CVSS Base Score : 5.0

Family: Gentoo Local Security Checks

Nessus Plugin ID: 27825 (gentoo_GLSA-200711-08.nasl)

Bugtraq ID:

CVE ID: CVE-2007-5266

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