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TITLE:
RhinoSoft Serv-U Cookie Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA37228

VERIFY ADVISORY:
http://secunia.com/advisories/37228/

DESCRIPTION:
Nikolas Rangos has discovered a vulnerability in Serv-U, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
included HTTP server when processing certain cookies. This can be
exploited to cause a stack-based buffer overflow by sending a
malicious HTTP request containing a specially crafted cookie to the
server.

The vulnerability is confirmed in version 9.0.0.5. Other versions may
also be affected.

SOLUTION:
Filter malicious requests using a proxy.

PROVIDED AND/OR DISCOVERED BY:
Nikolaos Rangos, KC Security.

ORIGINAL ADVISORY:
http://www.rangos.de/ServU-ADV.txt

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