[NT] BadBlue File Viewing Vulnerability

From: support@securiteam.com
Date: 08/23/01 

From: support@securiteam.com
To: list@securiteam.com
Subject: [NT] BadBlue File Viewing Vulnerability
Message-Id: <20010823142330.335C2138BF@mail.der-keiler.de>
Date: Thu, 23 Aug 2001 16:23:30 +0200 (CEST)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  BadBlue File Viewing Vulnerability
------------------------------------------------------------------------

SUMMARY

 <http://www.badblue.com/prodpe.htm> BadBlue PE provides searching,
sharing, peer-to-peer (P2P) and customizability in a tiny footprint. A
security vulnerability in the product allows attackers to view the source
code of PHP files (and download DLLs) by issuing a special HTTP request.

DETAILS

Vulnerable systems:
BadBlue version 1.02 and prior

Immune systems:
BadBlue version 1.5

BadBlue contains an input validation vulnerability that may lead to
download the full source code of .PHP pages. This is due to a lack of
checks for NULL bytes.

Example:
  http://example.com/test.php%00

Note: It is possible to download .DLL file.

Example:
  http://example.com/ext.dll%00

ADDITIONAL INFORMATION

The information has been provided by
<mailto:aurelien.cabezon@iSecureLabs.com> acz [iSecureLabs].

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