Security Advisory SA15744 - Sudo Arbitrary Command Execution Vulnerability

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Secunia Advisory SA15744

Sudo Arbitrary Command Execution Vulnerability

Secunia Advisory

SA15744

Release Date

2005-06-21

Last Update

2005-06-22

Popularity

16,404 views

Comments

0 comments

Criticality level

Less critical

Impact

Security Bypass

Where

Local system

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Remediation status

Secunia CSI, Secunia PSI

Automated scanning

Secunia CSI, Secunia PSI

Software:

Sudo 1.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2005-1993 CVSS score available to Secunia VIM customers

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 to Secunia VIM customers

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

Changelog
Further details available to Secunia VIM customers

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

Deep Links
Links available to Secunia VIM customers

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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Secunia Advisory SA15744

Sudo Arbitrary Command Execution Vulnerability

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