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mit-krb5: Heap overflow in libkadm5srv


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200501-05 / mit-krb5
Release Date January 05, 2005
Latest Revision January 05, 2005: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-crypt/mit-krb5 < 1.3.6 >= 1.3.6 All supported architectures

Related bugreports: #75143


The MIT Kerberos 5 administration library (libkadm5srv) contains a heap overflow that could lead to execution of arbitrary code.

2.  Impact Information


MIT krb5 is the free implementation of the Kerberos network authentication protocol by the Massachusetts Institute of Technology.


The MIT Kerberos 5 administration library libkadm5srv contains a heap overflow in the code handling password changing.


Under specific circumstances an attacker could execute arbitary code with the permissions of the user running mit-krb5, which could be the root user.

3.  Resolution Information


There is no known workaround at this time.


All mit-krb5 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.3.6"

4.  References


Page updated January 05, 2005

Summary: This is a Gentoo Linux Security Advisory

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