phpBB Module Xs 2.4.0 phpEx path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in phpBB Module Xs 2.4.0 (Forum Software) and classified as critical. Affected by this issue is an unknown part. The manipulation of the argument phpEx with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Directory traversal vulnerability in admin/admin_xs.php in eXtreme Styles module (XS-Mod) 2.3.1 and 2.4.0 for phpBB allows remote attackers to include and execute arbitrary files via a .. (dot dot) in the phpEx parameter. NOTE: some of these details are obtained from third party information.

The weakness was disclosed 03/25/2008 with bd0rk (Website). The advisory is available at milw0rm.com. This vulnerability is handled as CVE-2008-1512 since 03/25/2008. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

A public exploit has been developed by bd0rk in Perl and been published before and not just after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (41404) and Exploit-DB (5301).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
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VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Path traversal
CWE: CWE-22
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: bd0rk
Programming Language: 🔍
Download: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
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0-Day Time: 🔍

Timelineinfo

03/24/2008 🔍
03/24/2008 +0 days 🔍
03/24/2008 +0 days 🔍
03/25/2008 +1 days 🔍
03/25/2008 +0 days 🔍
03/25/2008 +0 days 🔍
03/25/2008 +0 days 🔍
03/16/2015 +2547 days 🔍
11/18/2017 +978 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Organization: bd0rk
Status: Confirmed

CVE: CVE-2008-1512 (🔍)
X-Force: 41404 - XS module for phpBB admin_xs.php file include
SecurityFocus: 28432 - phpBB eXtreme Styles Module 'admin_xs.php' Local File Include Vulnerability
Secunia: 29487 - phpBB eXtreme Styles Module "phpEx" Local File Inclusion, Moderately Critical

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/16/2015 17:00
Updated: 11/18/2017 12:38
Changes: 03/16/2015 17:00 (56), 11/18/2017 12:38 (12)
Complete: 🔍

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