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Secunia Advisory SA15744

Sudo Arbitrary Command Execution Vulnerability
Secunia Advisory SA15744
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Release Date 2005-06-21
Last Update 2005-06-22
   
Popularity 15,683 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Security Bypass
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
Sudo 1.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2005-1993 CVSS available in Customer Area
  

Description

A vulnerability has been reported in sudo, which can be exploited by malicious, local users to execute arbitrary commands.

The vulnerability is caused due to a race condition in the pathname validation that can occur if a "sudoers" entry containing the "ALL" pseudo-command follows a user's "sudoers" entry.

Successful exploitation allows the user to execute arbitrary commands, but requires that the user is allowed to run commands via Sudo and is able to create symbolic links in the filesystem.

The vulnerability has been reported in versions 1.3.1 through 1.6.8p8.


Solution
Update to version 1.6.8.p9.
Further details available in Customer Area

Provided and/or discovered by
The vendor credits Charles Morris.

Changelog
Further details available in Customer Area

Original Advisory
http://www.sudo.ws/sudo/alerts/path_race.html

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Sudo Arbitrary Command Execution Vulnerability
 
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