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TITLE:
Psi File Transfer Service Packet Parsing Vulnerabilities

SECUNIA ADVISORY ID:
SA33311

VERIFY ADVISORY:
http://secunia.com/advisories/33311/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Psi 0.x
http://secunia.com/advisories/product/20863/

DESCRIPTION:
sha0 has discovered some vulnerabilities in Psi, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities are caused due to boundary errors in the file
transfer functionality when receiving packets. These can be exploited
to cause heap-based buffer overflows by sending a specially crafted
packet to the file transfer service (by default port 8010/TCP).

The vulnerabilities are confirmed in version 0.12 for Windows. Other
versions may also be affected.

SOLUTION:
Restrict access to the file transfer service.

PROVIDED AND/OR DISCOVERED BY:
sha0

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7555

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