CVE-2013-5958 Symfony Denial of Service Via Long Password Hashing

What is CVE-2013-5958?

CVE-2013-5958 is a medium-severity denial of service vulnerability in Sensiolabs Symfony, published on 27 Dec 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Security component in Symfony 2.0.x before 2.0.25, 2.1.x before 2.1.13, 2.2.x before 2.2.9, and 2.3.x before 2.3.6 allows remote attackers to cause a denial of service (CPU consumption) via a long password that triggers an expensive hash computation, as demonstrated by a PBKDF2 computation, a similar issue to CVE-2013-5750.

Weakness: CWE-399

Which versions are affected by CVE-2013-5958?

18 open source packages ship an affected version, including symfony/security, symfony/polyfill and symfony/symfony. It affects 1 product.

Products include Sensiolabs Symfony.

How do I fix CVE-2013-5958?

Upgrade symfony/security to a fixed version for your release line: 2.0.25, 2.1.13, 2.2.9 or 2.3.6.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2013-5958 being exploited?

There is no known exploitation of CVE-2013-5958 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-cr49-fx2v-9p57.