CVE-2012-6432 Symfony Access Control Vulnerability

What is CVE-2012-6432?

CVE-2012-6432 is a medium-severity missing authorization vulnerability in Sensiolabs Symfony, published on 27 Dec 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Symfony 2.0.x before 2.0.20, 2.1.x before 2.1.5, and 2.2-dev, when the internal routes configuration is enabled, allows remote attackers to access arbitrary services via vectors involving a URI beginning with a /_internal substring.

Weakness: CWE-264

Which versions are affected by CVE-2012-6432?

6 open source packages ship an affected version, including symfony/symfony. It affects 1 product.

Products include Sensiolabs Symfony.

How do I fix CVE-2012-6432?

Upgrade symfony/symfony to a fixed version for your release line: 2.0.20 or 2.1.5.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2012-6432 being exploited?

There is no known exploitation of CVE-2012-6432 in the wild and no public exploit code.

Other vulnerabilities in Sensiolabs Symfony

• CVE-2019-11325 Improper Input Validation in Symfony Critical 9.8
• CVE-2017-11365 Symfony Incorrect Access Control Critical 9.8
• CVE-2019-10913 Invalid HTTP method overrides allow possible XSS or other attacks in Symfony Critical 9.8
• CVE-2018-11407 Symfony Authentication Bypass Critical 9.8
• CVE-2016-2403 Symfony Authentication Bypass Critical 9.8

All Sensiolabs Symfony vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-89cp-fvcc-hxh7.