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MIT Kerberos 5: Multiple vulnerabilities

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201312-12 / mit-krb5
Release Date December 16, 2013
Latest Revision December 16, 2013: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-crypt/mit-krb5 < 1.11.4 >= 1.11.4 All supported architectures

Related bugreports: #429324, #466268, #469752, #490668, #494062, #494064

Synopsis

Multiple vulnerabilities have been discovered in MIT Kerberos 5, allowing execution of arbitrary code or Denial of Service.

2.  Impact Information

Background

MIT Kerberos 5 is a suite of applications that implement the Kerberos network protocol.

Description

Multiple vulnerabilities have been discovered in the Key Distribution Center in MIT Kerberos 5. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could send a specially crafted request, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition. Additionally, a remote attacker could impersonate a kadmind server and send a specially crafted packet to the password change port, which can result in a ping-pong condition and a Denial of Service condition.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All MIT Kerberos 5 users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.11.4"

4.  References



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Page updated December 16, 2013

Summary: This is a Gentoo Linux Security Advisory

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