CVE-2011-2692

Advisory lineage Upstream: 0 Downstream: 5
Modified
Published: 17 Jul 2011, 20:00
Last modified:06 Aug 2024, 23:08

Vulnerability Summary

Overall Risk (default)
medium
47/100
CVSS Score
8.8 HIGH
v3.1 (nvd)
EPSS Score
7.47% LOW
7% probability +1.14%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

17 Jul 2011, 20:00
Published
Vulnerability first disclosed
06 Aug 2024, 23:08
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 7.47%• Percentile: 92%

Techniques & Countermeasures

  • CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer

    The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

  • canonical•ubuntu_linux

    8.04 | 10.04 | 10.10 | 11.04

  • debian•debian_linux

    5.0 | 6.0

  • fedoraproject•fedora

    14

  • libpng•libpng

    ≥ 1.0.0, < 1.0.55 | ≥ 1.2.0, < 1.2.45 | ≥ 1.4.0, < 1.4.8 | ≥ 1.5.0, < 1.5.4

References (28)