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Kerberos V5 "libkadm5srv" Buffer Overflow Vulnerability
Secunia Advisory: SA13592
Release Date: 2004-12-21
Popularity: 15,380 views

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Vendor Patch

Software:Kerberos 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Michael Tautschnig has reported a vulnerability in Kerberos V5, which potentially can be exploited by malicious users to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the libkadm5srv administration library within the "add_to_history()" function during the password history handling. This can be exploited to cause a heap-based buffer overflow when a principal changes the password and has a certain password history state.

Successful exploitation may allow execution of arbitrary code on a vulnerable Key Distribution Center (KDC) server. However, this requires that the administrator has performed a certain password policy change.

The vulnerability has been reported in version 1.3.5 and prior.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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