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TITLE:
sudo "sudoedit" Privilege Escalation Security Issue

SECUNIA ADVISORY ID:
SA39384

VERIFY ADVISORY:
http://secunia.com/advisories/39384/

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

The security issue is caused due to an error within the command
matching functionality, which can be exploited to run a "sudoedit"
executable within the current working directory.

Successful exploitation may allow the execution of arbitrary code
with escalated privileges, but requires that the attacker is allowed
to use sudo's "sudoedit" pseudo-command, that the PATH environment
variable contains "." while the directories do not contain any other
"sudoedit" executable, and that the "ignore_dot" or "secure_path"
options are disabled.

This is related to security issue #1 in:
SA38659

SOLUTION:
Update to version 1.6.9p22 and 1.7.2p6.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Valerio Costamagna.

CHANGELOG:
2010-04-16: Added CVE reference.

ORIGINAL ADVISORY:
http://www.sudo.ws/sudo/alerts/sudoedit_escalate2.html

OTHER REFERENCES:
SA38659:
http://secunia.com/advisories/38659/

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About:
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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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