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

BETA test the new Secunia Personal Software Inspector!

The Secunia PSI detects installed software on your computer and
categorises it as either Insecure, End-of-Life, or Up-To-Date.
Effectively enabling you to focus your attention on software
installations where more secure versions are available from the
vendors.

Download the free PSI BETA from the Secunia website:
https://psi.secunia.com/

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

TITLE:
Sudo Kerberos 5 Security Bypass Vulnerability

SECUNIA ADVISORY ID:
SA26540

VERIFY ADVISORY:
http://secunia.com/advisories/26540/

CRITICAL:
Not critical

IMPACT:
Security Bypass

WHERE:
Local system

REVISION:
1.1 originally posted 2007-08-20

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

DESCRIPTION:
A vulnerability has been reported in Sudo, which can be exploited by
malicious, local users to bypass certain security restrictions.

The vulnerability is caused due to improper error handling within the
Kerberos 5 authentication mechanism. This can be exploited to execute
commands allowed by the Sudo configuration without proper
authentication.

NOTE: Successful exploitation requires that Sudo is linked directly
with the Kerberos 5 libraries, and that the affected machine is a
Kerberos 5 client.

The vulnerability is reported in versions prior to 1.6.9.

SOLUTION:
Update to version 1.6.9.
http://www.sudo.ws/sudo/download.html

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Thor Lancelot Simon.

CHANGELOG:
2007-08-20: Fixed CVE link.

ORIGINAL ADVISORY:
http://www.sudo.ws/sudo/alerts/kerberos5.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.

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.

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

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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