MIT Kerberos KDC logging routine format string

kerberos-kdc-format-string (11189) The risk level is classified as HighHigh Risk

Description:

The MIT Kerberos Key Distribution Center (KDC) is vulnerable to a format string attack, caused by a vulnerability in the KDC logging routines. A remote attacker could exploit this vulnerability by passing malicious format strings to the affected server to cause the KDC to crash or possibly execute arbitrary commands on the system.


Consequences:

Gain Access

Remedy:

Upgrade to the latest version of MIT Kerberos 5 (krb5-1.2.7 or later), available from the MIT Kerberos Web site. See References.

For Conectiva Linux 8.0:
Upgrade to the latest version of krb5 (1.2.8-1U80_1cl or later), as listed in Conectiva Linux Security Announcement CLSA-2003:639. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • Conectiva Linux 8.0
  • MIT Kerberos 5-1.2.1
  • MIT Kerberos 5-1.2.2
  • MIT Kerberos 5-1.2.3
  • MIT Kerberos 5-1.2.4

Reported:

Jan 28, 2003

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