From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed May 28 2003 - 09:03:35 CDT

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TITLE:
UpClient Privilege Escalation Vulnerability

READ ONLINE:
http://www.secunia.com/advisories/8878/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
UpClient 5.x

DESCRIPTION:
A vulnerability has been identified in UpClient, which can be
exploited by a malicious, local user to escalate privileges on a
vulnerable system.

The vulnerability is caused due to a boundary error. A malicious
person can exploit this by supplying an overly long, specially
crafted string to the parameter "-p" when executing the program.

Successful exploitation allows execution of arbitrary code with the
privileges of the group "kmem".

SOLUTION:
Update to UpClient version 5.0b8:
http://prdownloads.sourceforge.net/upclient/upclient-5.0b8.tar.gz?download

REPORTED BY / CREDITS:
Gino Thomas

ORIGINAL ADVISORY:
http://www.nux-acid.org/txt/nux002_upclient_advisory.txt

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