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Secunia Security Advisory 29144

Secunia Security Advisory 29144
Posted Mar 3, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A security issue has been reported in Berkely Automounter Suite of Utilities (am-utils), which can be exploited by malicious, local users to perform certain actions with escalated privileges.

tags | advisory, local
MD5 | b419e6cfec1d1aae18e33b54a495f0cf

Secunia Security Advisory 29144

Change Mirror Download
----------------------------------------------------------------------

A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

----------------------------------------------------------------------

TITLE:
Berkeley Automounter Suite of Utilities "expn" Insecure Temporary
File

SECUNIA ADVISORY ID:
SA29144

VERIFY ADVISORY:
http://secunia.com/advisories/29144/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Berkeley Automounter Suite of Utilities (am-utils) 6.x
http://secunia.com/product/17851/

DESCRIPTION:
A security issue has been reported in Berkely Automounter Suite of
Utilities (am-utils), which can be exploited by malicious, local
users to perform certain actions with escalated privileges.

The security issue is caused due to the "expn" script creating
temporary files in an insecure manner. This can be exploited to e.g.
overwrite arbitrary files with the permissions of another user via
symlink attacks.

This is related to:
SA8797

The security issue is reported in version 6.1.5. Other versions may
also be affected.

SOLUTION:
Restrict access to trusted users only.

ORIGINAL ADVISORY:
https://issues.rpath.com/browse/RPL-2255

OTHER REFERENCES:
SA8797:
http://secunia.com/advisories/8797/

----------------------------------------------------------------------

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

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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