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TITLE:
Snort IPv6 Processing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA37135

VERIFY ADVISORY:
http://secunia.com/advisories/37135/

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

The vulnerability is caused due to an error in the processing of IPv6
packets and can be exploited to crash Snort when a specially crafted
packet is received.

Successful exploitation requires that Snort is compiled using the
"--enable-ipv6" option and started with the "-v" command-line
switch.

The vulnerability is reported in version 2.8.5. Prior versions may
also be affected.

SOLUTION:
Update to version 2.8.5.1.

PROVIDED AND/OR DISCOVERED BY:
Laurent Gaffié

ORIGINAL ADVISORY:
Snort:
http://vrt-sourcefire.blogspot.com/2009/10/snort-2851-release.html

Laurent Gaffié:
http://seclists.org/fulldisclosure/2009/Oct/299

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