Vulnerability identifier: #VU551

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drupal
Web applications / CMS

Vendor: Drupal

Description
The vulnerability increases attacker's possibility to perform cross-site request forgery attack.
The weakness exists due to improper work of the aggregator module. Availability of items of certain RSS feeds may lead to its deleting and cause CSRF.
Successful exploitation of the vulnerability may result in CSRF attack.

Mitigation
Update 4.7.x to 4.7.11.
http://ftp.drupal.org/files/projects/drupal-4.7.11.tar.gz
Update 5.x to 5.6.
http://ftp.drupal.org/files/projects/drupal-5.6.tar.gz

Vulnerable software versions

Drupal: 5.0 - 5.5, 4.7.0 - 4.7.10

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External links
http://www.drupal.org/node/208562

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.