Vulnerability identifier: #VU472

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-1591

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drupal
Web applications / CMS

Vendor: Drupal

Description
The vulnerability allows a remote user to get access to private files, especially images, on the target system.
The weakness exists due to improper image derivatives protection that may result in attacker's access to the images he wasn't allowed to see before.
Successful exploitation of the vulnerability allows a malicious user to obtain unallowed images.

Mitigation
Update to 7.13.
https://www.drupal.org/node/1558412

Vulnerable software versions

Drupal: 7.0 - 7.12

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External links
http://www.drupal.org/SA-CORE-2012-002

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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.