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TITLE:
SCO OpenServer nwclient Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA14836

VERIFY ADVISORY:
http://secunia.com/advisories/14836/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
SCO OpenServer 5.x
http://secunia.com/product/137/

DESCRIPTION:
Pasquale Minervini has reported a vulnerability in SCO OpenServer,
which can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to a boundary error in the nwclient
utility when processing command line arguments. This can be exploited
to cause a buffer overflow by passing an overly long argument.

Successful exploitation grants "lp" group privileges.

The vulnerability has been reported in version 5.0.7.

SOLUTION:
Remove the setgid bit from the vulnerable program.

PROVIDED AND/OR DISCOVERED BY:
Pasquale Minervini

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About:
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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.

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