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[SA34021] Hex Workshop Intel Hex Processing Buffer Overflow

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Mar 02 2009 - 17:40:04 CST

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TITLE:
Hex Workshop Intel Hex Processing Buffer Overflow

SECUNIA ADVISORY ID:
SA34021

VERIFY ADVISORY:
http://secunia.com/advisories/34021/

DESCRIPTION:
Security^Ghost has discovered a vulnerability in Hex Workshop, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the processing
of Intel Hex files. This can be exploited to cause a stack-based
buffer overflow via a specially crafted Intel Hex (".hex") file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in versions 4.23 and 6.0.1.4603. Other
versions may also be affected.

SOLUTION:
Do not import untrusted ".hex" files in Hex Workshop.

PROVIDED AND/OR DISCOVERED BY:
Security^Ghost

CHANGELOG:
2009-03-02: Added versions 4.x and 5.x as affected.

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/8121

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