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GLSA-200705-24 : libpng: Denial of Service

medium Nessus Plugin ID 25383

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-200705-24 (libpng: Denial of Service)

 Mats Palmgren fixed an error in file pngrutil.c in which the trans[] array might be not allocated because of images with a bad tRNS chunk CRC value.
 Impact :

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

 There is no known workaround at this time.

Solution

Please note that due to separate bugs in libpng 1.2.17, Gentoo does not provide libpng-1.2.17 but libpng-1.2.18. All libpng users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.2.18'

See Also

https://security.gentoo.org/glsa/200705-24

Plugin Details

Severity: Medium

ID: 25383

File Name: gentoo_GLSA-200705-24.nasl

Version: 1.15

Type: local

Published: 6/4/2007

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

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

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

Patch Publication Date: 5/31/2007

Vulnerability Publication Date: 5/15/2007

Reference Information

CVE: CVE-2007-2445

GLSA: 200705-24