TITLE:
Clam AntiVirus TNEF/CAB/FSG File Handling Vulnerabilities

SECUNIA ADVISORY ID:
SA17434

VERIFY ADVISORY:
http://secunia.com/advisories/17434/

CRITICAL:
Moderately critical

IMPACT:
Unknown, DoS

WHERE:
>From remote

SOFTWARE:
Clam AntiVirus (clamav) 0.x
http://secunia.com/product/2538/

DESCRIPTION:
Some vulnerabilities have been reported in Clam AntiVirus (clamav),
which potentially can be exploited by malicious people to cause a DoS
(Denial of Service), or with unknown impact.

1) A buffer size calculation error in "libclamav/fsg.c" when handling
a FSG compressed executable file may be exploited with an unknown
impact.

2) An unspecified error in "libclamav/tnef.c" may be exploited to
cause an infinite loop, potentially causing a DoS via a specially
crafted TNEF file.

3) An unspecified error in "libclamav/mspack/cabd.c" may be exploited
to cause an infinite loop, potentially causing a DoS via a specially
crafted CAB file.

The vulnerabilities have been reported in versions 0.87 and prior.

SOLUTION:
Update to version 0.87.1.
http://sourceforge.net/project/showfiles.php?group_id=86638

PROVIDED AND/OR DISCOVERED BY:
1) Reported by Zero Day Initiative.
2-3)  Reported by iDEFENSE.

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