[SA18733] Heimdal rshd Server Privilege Escalation Vulnerability

TITLE:
Heimdal rshd Server Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA18733

VERIFY ADVISORY:
http://secunia.com/advisories/18733/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Heimdal 0.6.x
http://secunia.com/product/3299/
Heimdal 0.7.x
http://secunia.com/product/7707/

DESCRIPTION:
A vulnerability has been reported in Heimdal, which can be exploited
by malicious, local users to gain escalated privileges.

The vulnerability is caused due to an unspecified error in the rshd
server when storing forwarded credentials. This can be exploited to
overwrite a file with its credential cache and get ownership of the
file.

SOLUTION:
Update to version 0.7.2 or 0.6.6.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://www.pdc.kth.se/heimdal/advisory/2006-02-06/

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/about_secunia_advisories/

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