Vulnerability Monitor

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CVE-2012-0876

The XML parser (xmlparse.c) in expat before 2.1.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML file with many identifiers with the same value.

Published

2012-07-03T19:55:02.210

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libexpat_project libexpat < 2.1.0 Yes
Application python python < 2.6.8 Yes
Application python python < 2.7.3 Yes
Application python python < 3.1.5 Yes
Application python python < 3.2.3 Yes
Operating System debian debian_linux 6.0 Yes
Operating System debian debian_linux 7.0 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 10.04 Yes
Operating System canonical ubuntu_linux 11.04 Yes
Operating System canonical ubuntu_linux 11.10 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System oracle solaris 11.3 Yes
Application redhat storage 2.0 Yes
Operating System redhat enterprise_linux_desktop 5.0 Yes
Operating System redhat enterprise_linux_desktop 6.0 Yes
Operating System redhat enterprise_linux_eus 6.2 Yes
Operating System redhat enterprise_linux_server 5.0 Yes
Operating System redhat enterprise_linux_server 6.0 Yes
Operating System redhat enterprise_linux_server_aus 6.2 Yes
Operating System redhat enterprise_linux_workstation 5.0 Yes
Operating System redhat enterprise_linux_workstation 6.0 Yes
References