From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Jan 09 2004 - 09:23:40 CST

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TITLE:
FirstClass Client RTF Document Link Execution of Arbitrary Commands

SECUNIA ADVISORY ID:
SA10556

VERIFY ADVISORY:
http://www.secunia.com/advisories/10556/

CRITICAL:
Less critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
FirstClass Client 7.x

DESCRIPTION:
Richard Maudsley has reported a vulnerability in FirstClass Client,
allowing malicious people to launch arbitrary commands on a user's
system.

Links in RTF documents can contain references to local executables,
which will be executed when a user clicks the link. This could
potentially be exploited to gain system access via specially crafted
RTF documents.

The vulnerability has been reported in FirstClass Client version 7.1.
Other versions may also be affected.

SOLUTION:
Do not click links in untrusted documents.

PROVIDED AND/OR DISCOVERED BY:
Richard Maudsley

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