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Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2002-173: krb


Vulnerability Assessment Details

RHSA-2002-173: krb

Vulnerability Assessment Summary
Check for the version of the krb packages

Detailed Explanation for this Vulnerability Assessment


Updated Kerberos 5 packages are now available for Red Hat LInux Advanced
Server. These updates fix a buffer overflow in the XDR decoder.

Sun RPC is a remote procedure call framework which permits clients to invoke
procedures in a server process over a network. XDR is a mechanism for
encoding data structures for use with RPC.

The Kerberos 5 network authentication system contains an RPC library which
includes an XDR decoder derived from Sun's RPC implementation. The Sun
implementation was recently demonstrated to be vulnerable to a heap
overflow. It is believed that the attacker needs to be able to
authenticate to the kadmin daemon for this attack to be successful. No
exploits are known to currently exist.

All users should upgrade to these errata packages which contain an updated
version of Kerberos 5 which is not vulnerable to this issue.




Solution : http://rhn.redhat.com/errata/RHSA-2002-173.html
Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security

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