Permissions, Privileges, and Access Controls in SensioLabs Symfony

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU43226

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-6431

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Symfony 2.0.x before 2.0.20 does not process URL encoded data consistently within the Routing and Security components, which allows remote attackers to bypass intended URI restrictions via a doubly encoded string.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Symfony: 2.0.0 - 2.0.19

CPE2.3

• cpe:2.3:a:sensiolabs:symfony:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:sensiolabs:symfony:2.0.2:*:*:*:*:*:*:*

External links

http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-released

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.