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CVE-2009-0749

CVE information

Published

15 years ago

Last Modified

1 month ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

High

Impact Analysis

Description

Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed..

CVSSv2.0 Score

Severity
High
Base Score
9.3/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
10/10
Confidentiality Impact
Complete
Availability Impact
Complete
Integrity Impact
Complete

CVSSv3.1 Score

Severity
High
Base Score
7.8/10
Exploit Score
1.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
None
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
Required

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:optipng_project:optipng:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
  Yes
10.3 -