phpBB up to 2.0.21 Logging phpbb_root_path file inclusion

Summaryinfo

A vulnerability has been found in phpBB and classified as critical. The affected element is an unknown function of the component Logging. This manipulation of the argument phpbb_root_path causes file inclusion. This vulnerability is registered as CVE-2006-5209. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in phpBB (Forum Software) and classified as critical. Affected by this vulnerability is an unknown part of the component Logging. The manipulation of the argument phpbb_root_path with an unknown input leads to a file inclusion vulnerability. The CWE definition for the vulnerability is CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

PHP remote file inclusion vulnerability in admin/admin_topic_action_logging.php in Admin Topic Action Logging Mod 0.95 and earlier, as used in phpBB 2.0 up to 2.0.21, allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

The weakness was published 10/10/2006 (Website). The advisory is shared at milw0rm.com. This vulnerability is known as CVE-2006-5209 since 10/09/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by SpiderZ and been published before and not just after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 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 (29345) and Exploit-DB (2475). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Forum Software

Name

• phpBB

Version

• 2.0
• 2.0 Beta1
• 2.0 Rc1
• 2.0 Rc2
• 2.0 Rc3
• 2.0 Rc4
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.6c
• 2.0.6d
• 2.0.7
• 2.0.7a
• 2.0.8
• 2.0.8a
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19
• 2.0.20
• 2.0.21

License

• open-source

Website

• Product: https://www.phpbb.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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