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Vulnerability Assessment Details

SCO OpenServer multiple vulnerabilities

Vulnerability Assessment Summary
Checks the remote SCO OpenServer

Detailed Explanation for this Vulnerability Assessment

OpenServer 5.0.7, OpenServer 5.0.6, and OpenServer 5.0.5 are vulnerable
to two (2) distinct exploits. Namely,

1) Xsco can be locally exploited by any valid user in order to escalate
their rights to 'root'. The bug is due to improper input handling
when running the command line switch '-co'.

2) There is a vulnerability in the MIT-SHM extension within
all X servers that are running as root. Any user with local X access
can exploit the MIT-SHM extension and gain read/write access to any
shared memory segment on the system.

*** This test relied on the banner of the remote system
*** to acertain that it is a SCO Unix server, so this alert
*** might be a false positive

More information can be found at:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0158
http://marc.theaimsgroup.com/?l=bugtraq&m=101776858410652&w=2
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0164
http://marc.theaimsgroup.com/?l=bugtraq&m=103547625009363&w=2
http://www.securityfocus.com/bid/4396

Solution: Install the patched binaries from
ftp://ftp.sco.com/pub/updates/OpenServer/CSSA-2003-SCO.26

Network Security Threat Level: High

Networks Security ID: 4396, 4985

Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Tenable Network Security

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