CVE-2011-2691
MEDIUM severity · CVSS 6.5 · CWE-476
6.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.htmlAdvisory
- http://marc.info/?l=bugtraq&m=133951357207000&w=2Advisory
- http://secunia.com/advisories/45046
- http://secunia.com/advisories/45405
- http://secunia.com/advisories/45492
- http://secunia.com/advisories/49660