CVE-2011-2691

Public Exploit

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.38% Top 15%
Vendor Advisory mandriva.com Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory apple.com Vendor Advisory marc.info Vendor Advisory libpng.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/49660 third party advisory broken link
http://www.securityfocus.com/bid/48660 vdb entry third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=720608 issue tracking patch exploit third party advisory
http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=commit%3Bh=9dad5e37aef295b4ef8dea39392b652deebc9261
http://secunia.com/advisories/45046 third party advisory broken link
https://exchange.xforce.ibmcloud.com/vulnerabilities/68537 vdb entry third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:151 vendor advisory broken link
http://security.gentoo.org/glsa/glsa-201206-15.xml third party advisory vendor advisory
http://www.libpng.org/pub/png/libpng.html product vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063118.html mailing list third party advisory vendor advisory
http://www.debian.org/security/2011/dsa-2287 third party advisory vendor advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html mailing list third party advisory vendor advisory
http://secunia.com/advisories/45405 third party advisory broken link
http://www.openwall.com/lists/oss-security/2011/07/13/2 third party advisory mailing list
http://marc.info/?l=bugtraq&m=133951357207000&w=2 mailing list third party advisory vendor advisory
http://support.apple.com/kb/HT5002 third party advisory
http://secunia.com/advisories/45492 third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2011-2691?
CVE-2011-2691 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2691?
To fix CVE-2011-2691, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2691 being actively exploited in the wild?
It is possible that CVE-2011-2691 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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