CVE-2011-2691 Information

Description

The png_err function in pngerror.c in libpng 1.0.x before 1.0.55 1.2.x before 1.2.45 1.4.x before 1.4.8 and 1.5.x before 1.5.4 makes a function call using a NULL pointer argument instead of an empty-string argument which allows remote attackers to cause a denial of service (application crash) via a crafted PNG image.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=9dad5e37aef295b4ef8dea39392b652deebc9261 http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html http://marc.info/?l=bugtraq&m=133951357207000&w=2 http://secunia.com/advisories/45046 http://secunia.com/advisories/45405 http://secunia.com/advisories/45492 http://secunia.com/advisories/49660 http://security.gentoo.org/glsa/glsa-201206-15.xml http://support.apple.com/kb/HT5002 http://www.debian.org/security/2011/dsa-2287 http://www.libpng.org/pub/png/libpng.html http://www.mandriva.com/security/advisories?name=MDVSA-2011:151 http://www.openwall.com/lists/oss-security/2011/07/13/2 http://www.securityfocus.com/bid/48660 https://bugzilla.redhat.com/show_bug.cgi?id=720608 https://exchange.xforce.ibmcloud.com/vulnerabilities/68537

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5