Vulnerability Monitor

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CVE-2009-0846

The asn1_decode_generaltime function in lib/krb5/asn.1/asn1_decode.c in the ASN.1 GeneralizedTime decoder in MIT Kerberos 5 (aka krb5) before 1.6.4 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via vectors involving an invalid DER encoding that triggers a free of an uninitialized pointer.

Published

2009-04-09T00:30:00.267

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 10.0 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-824
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mit kerberos_5 < 1.6.4 Yes
Operating System fedoraproject fedora 9 Yes
Operating System fedoraproject fedora 10 Yes
Operating System canonical ubuntu_linux 6.06 Yes
Operating System canonical ubuntu_linux 7.10 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 8.10 Yes
Operating System apple mac_os_x < 10.5.7 Yes
Operating System redhat enterprise_linux 4.0 Yes
Operating System redhat enterprise_linux_desktop 3.0 Yes
Operating System redhat enterprise_linux_desktop 4.0 Yes
Operating System redhat enterprise_linux_eus 4.7 Yes
Operating System redhat enterprise_linux_server 2.0 Yes
Operating System redhat enterprise_linux_server 3.0 Yes
Operating System redhat enterprise_linux_server 4.0 Yes
Operating System redhat enterprise_linux_workstation 2.0 Yes
Operating System redhat enterprise_linux_workstation 3.0 Yes
Operating System redhat enterprise_linux_workstation 4.0 Yes
References