Vulnerability Note VU#972598

SCO OpenServer vulnerable to privilege escalation in 'scosession' argument handling

Overview

A vulnerability in a program supplied with the SCO OpenServer operating system may allow local attackers to gain elevated privileges.

I. Description

SCO OpenServer is a UNIX-like operating system for Intel and AMD platforms. The 'scosession' session handling component, which is responsible for starting and stopping X server sessions, contains a flaw in the handling of command-line arguments which may allow a local authenticated attacker to gain elevated privileges. This applies to SCO OpenServer 5.0.6 and 5.0.7.

II. Impact

Local authenticated users may gain elevated privileges on affected platforms.

III. Solution

Apply an update

Updates for SCO OpenServer 5.0.6 and 5.0.7 are available at this time. More information can be found in SCO Security Advisory SCOSA-2005.5.

Systems Affected

Vendor	Status	Date Notified	Date Updated
SCO	Vulnerable	28-Jan-2005

References

ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.5/SCOSA-2005.5.txt
http://secunia.com/advisories/14012/

Credit

Thanks to SCO Security for reporting this vulnerability, who in turn credit Joel Soderberg and Christer Oberg of Deprotect with the discovery.

This document was written by Ken MacInnis.

Other Information

Date Public:	2005-01-25
Date First Published:	2005-02-21
Date Last Updated:	2005-02-21
CERT Advisory:
CVE-ID(s):	CAN-2003-1021
NVD-ID(s):	CAN-2003-1021
US-CERT Technical Alerts:
Metric:	7.29
Document Revision:	12

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