Vulnerability Monitor

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CVE-2011-1529

The lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.

Published

2011-10-20T21:55:00.980

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mit kerberos_5 1.8 Yes
Application mit kerberos_5 1.8.1 Yes
Application mit kerberos_5 1.8.2 Yes
Application mit kerberos_5 1.8.3 Yes
Application mit kerberos_5 1.8.4 Yes
Application mit kerberos_5 1.9 Yes
Application mit kerberos_5 1.9.1 Yes
References