From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Mar 27 2008 - 19:47:04 CDT

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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
https://psi.secunia.com/

Read more about this new version:
https://psi.secunia.com/?page=changelog

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TITLE:
Quick Tftp Server Pro Long Mode Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA29494

VERIFY ADVISORY:
http://secunia.com/advisories/29494/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
From local network

SOFTWARE:
Quick Tftp Server Pro 2.x
http://secunia.com/product/18061/

DESCRIPTION:
Mati Aharoni has discovered a vulnerability in Quick Tftp Server Pro,
which can be exploited by malicious people to cause a DoS (Denial of
Service) or compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the handling
of mode fields and can be exploited to cause a stack-based buffer
overflow via a read or write request with an overly long mode field.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 2.1. Other versions may
also be affected.

SOLUTION:
Restrict network access to the TFTP service.

PROVIDED AND/OR DISCOVERED BY:
Mati Aharoni

ORIGINAL ADVISORY:
http://www.offensive-security.com/0day/quick-tftp-poc.py.txt

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About:
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