From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Jul 05 2006 - 07:02:04 CDT

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Reverse Engineer Wanted

Secunia offers a Security Specialist position with emphasis on
reverse engineering of software and exploit code, auditing of
source code, and analysis of vulnerability reports.

http://secunia.com/secunia_security_specialist/

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TITLE:
phpSysInfo "lng" Parameter File Detection Weakness

SECUNIA ADVISORY ID:
SA20939

VERIFY ADVISORY:
http://secunia.com/advisories/20939/

CRITICAL:
Not critical

IMPACT:
Exposure of system information

WHERE:
From remote

SOFTWARE:
phpSysInfo 2.x
http://secunia.com/product/1845/

DESCRIPTION:
Micheal Turner has discovered a weakness in phpSysInfo, which can be
exploited by malicious people to detect files on the server.

The weakness is caused by an error message returning information
about whether or not a file exists. This can be exploited by
providing a filename with a directory traversal character sequence to
the "lng" parameter in index.php.

The weakness has been confirmed in version 2.5.1. Other versions may
also be affected.

SOLUTION:
Filter malicious characters or character sequences with a web proxy.

Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Micheal Turner

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