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TITLE:
MailCOPA Command Line Argument Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA25125

VERIFY ADVISORY:
http://secunia.com/advisories/25125/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
MailCOPA 8.x
http://secunia.com/product/14124/

DESCRIPTION:
skillTube has discovered a vulnerability in MailCOPA, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
command-line arguments and can be exploited to cause a stack-based
buffer overflow via e.g. an overly long (greater than 1000 bytes),
specially crafted "mailto" link.

Successful exploitation allows execution of arbitrary code, but
requires that a user e.g. is tricked into clicking a malicious
"mailto" link when the application is set as the default mail
client.

The vulnerability is confirmed in version 8.01 released 2007-03-23.
Other versions may also be affected.

SOLUTION:
Update to version 8.01 released 2007-05-01 or later.
http://www.intervations.com/download/mailcopa/_mailcpa.exe

PROVIDED AND/OR DISCOVERED BY:
skillTube

ORIGINAL ADVISORY:
http://www.skilltube.com/index.php?option=com_content&task=view&id=24&Itemid=37

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