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TITLE:
ClamAV Multiple Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA26530

VERIFY ADVISORY:
http://secunia.com/advisories/26530/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

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

DESCRIPTION:
Some vulnerabilities have been reported in ClamAV, which can
potentially be exploited by malicious people to cause a DoS (Denial
of Service).

1) A NULL-pointer dereference error exists within the "cli_scanrtf()"
function in libclamav/rtf.c. This can potentially be exploited to
crash ClamAV via a specially crafted RTF file.

2) A NULL-pointer dereference error exists within the
"cli_html_normalise()" function in libclamav/htmlnorm.c. This can
potentially be exploited to crash ClamAV via a specially crafted HTML
file containing a "data" URL scheme.

The vulnerabilities are reported in versions prior to 0.91.2.

SOLUTION:
Update to version 0.91.2.
http://sourceforge.net/project/showfiles.php?group_id=86638&package_id=90197&release_id=533658

PROVIDED AND/OR DISCOVERED BY:
1) Reported by the vendor.
2) The vendor credits Stefanos Stamatis.

ORIGINAL ADVISORY:
http://sourceforge.net/project/shownotes.php?release_id=533658&group_id=86638

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
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Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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