Vulnerability Monitor

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CVE-2011-2692

The png_handle_sCAL function in pngrutil.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 does not properly handle invalid sCAL chunks, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted PNG image that triggers the reading of uninitialized memory.

Published

2011-07-17T20:55:01.623

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-119
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libpng libpng < 1.0.55 Yes
Application libpng libpng < 1.2.45 Yes
Application libpng libpng < 1.4.8 Yes
Application libpng libpng < 1.5.4 Yes
Operating System fedoraproject fedora 14 Yes
Operating System debian debian_linux 5.0 Yes
Operating System debian debian_linux 6.0 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 10.04 Yes
Operating System canonical ubuntu_linux 10.10 Yes
Operating System canonical ubuntu_linux 11.04 Yes
References