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CVE-2011-2501

CVE information

Published

11 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

The png_format_buffer 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 allows remote attackers to cause a denial of service (application crash) via a crafted PNG image that triggers an out-of-bounds read during the copying of error-message data. NOTE: this vulnerability exists because of a CVE-2004-0421 regression. NOTE: this is called an off-by-one error by some sources..

CVSSv2.0 Score

Severity
Medium
Base Score
4.3/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
6.5/10
Exploit Score
2.8/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
Required

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
  Yes
1.5.0 1.5.4
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
  Yes
1.4.0 1.4.8
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
  Yes
1.2.0 1.2.45
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
  Yes
1.0.0 1.0.55
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*
  Yes
- -

References