17786 : PunBB pun_include Command redirect_url Parameter Local File Inclusion
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Info

Last Modified

10 months ago

Percent Complete

100%

Disclosure

Jul 07, 2005

Discovery

Jun 27, 2005

Dates

Exploit

Unknown

Solution

Unknown

Description

PunBB contains a flaw that may allow a remote authenticated attacker to execute arbitrary commands. The issue is due to pun_include not properly sanitizing user input supplied to the redirect_url variable. This may allow an attacker to include a malicious uploaded file such as a forum picture that contains arbitrary commands which will be executed by the vulnerable script.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity
Exploit: Exploit Unavailable
Disclosure: OSVDB Verified
OSVDB: Web Related

Solution

Upgrade to version 1.2.6 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Rickard Andersson

PunBB

1.2.5

References

Security Tracker: 1014420
Secunia Advisory ID: 15990
Related OSVDB ID: 17785
CVE ID: 2005-2193 (see also: NVD)
Mail List Post: http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0147.html
http://marc.theaimsgroup.com/?l=bugtraq&m=112084384928950&w=2
Other Advisory URL: http://www.hardened-php.net/advisory-082005.php
http://www.hardened-php.net/advisory-092005.php
http://www.punbb.org/
Vendor URL: http://www.punbb.org/
Vendor Specific News/Changelog Entry: http://www.punbb.org/changelogs/1.2.5_to_1.2.6.txt

Credit

Stefan Esser - sesserhardened-php.net - www.hardened-php.net

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