Summaryinfo

A vulnerability marked as critical has been reported in Drupal up to 7.23. This affects the function drupal_valid_token of the component Security Token Validation. This manipulation causes security check. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Drupal up to 7.23 (Content Management System). It has been declared as very critical. Affected by this vulnerability is the function drupal_valid_token of the component Security Token Validation. The manipulation with an unknown input leads to a security check vulnerability. The CWE definition for the vulnerability is CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/20/2013 by Heine Deelstra with Drupal Security Team as SA-CORE-2013-003 as not defined advisory (Website). It is possible to read the advisory at drupal.org. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/25/2019). The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

Upgrading to version 7.24 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

There is currently no known core or contributed module that would suffer from this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (100032†). The entries VDB-11238, VDB-11240, VDB-11241 and VDB-11242 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• Drupal

Version

• 7.0
• 7.1
• 7.2
• 7.3
• 7.4
• 7.5
• 7.6
• 7.7
• 7.8
• 7.9
• 7.10
• 7.11
• 7.12
• 7.13
• 7.14
• 7.15
• 7.16
• 7.17
• 7.18
• 7.19
• 7.20
• 7.21
• 7.22
• 7.23

License

• open-source

Website

• Product: https://www.drupal.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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