[SA13199] Sudo Environment Cleaning Privilege Escalation Vulnerability

TITLE:
Sudo Environment Cleaning Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA13199

VERIFY ADVISORY:
http://secunia.com/advisories/13199/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Sudo 1.x
http://secunia.com/product/3929/

DESCRIPTION:
Liam Helmer has reported a vulnerability in sudo, which can be
exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to an error within the environment
cleaning. This can be exploited by a user with sudo access to a bash
script to run arbitrary commands by substituting them for any
non-fully qualified programs called within the script.

SOLUTION:
Update to version 1.6.8p2.
http://www.sudo.ws/sudo/

PROVIDED AND/OR DISCOVERED BY:
Liam Helmer

ORIGINAL ADVISORY:
http://www.sudo.ws/sudo/alerts/bash_functions.html

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/secunia_security_advisories/

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http://secunia.com/about_secunia_advisories/

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