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TITLE:
ClamAV OLE2 Parser Denial of Service

SECUNIA ADVISORY ID:
SA25244

VERIFY ADVISORY:
http://secunia.com/advisories/25244/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Clam AntiVirus (clamav) 0.x
http://secunia.com/product/2538/
ClamWin Free Antivirus 0.x
http://secunia.com/product/7718/
ClamXav 1.x
http://secunia.com/product/9925/

DESCRIPTION:
Victor Stinner has reported a vulnerability in ClamAV, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the OLE2 parser
when handling objects with malformed FAT partitions and large
property sizes. This can be exploited to cause a DoS due to storage
and CPU resource consumption by scanning a specially crafted OLE2
file.

SOLUTION:
There is no known solution at this time.

PROVIDED AND/OR DISCOVERED BY:
Victor Stinner, INL.

ORIGINAL ADVISORY:
http://news.gmane.org/gmane.comp.security.virus.clamav.devel/cutoff=2853

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