CVE-2014-9509 Typo3 Vulnerable to Cache Poisoning

What is CVE-2014-9509?

CVE-2014-9509 is a high-severity denial of service vulnerability in Typo3 Typo3, published on 4 Jan 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The frontend rendering component in TYPO3 4.5.x before 4.5.39, 4.6.x through 6.2.x before 6.2.9, and 7.x before 7.0.2, when config.prefixLocalAnchors is set to all or cached, allows remote attackers to have an unspecified impact (possibly resource consumption) via a "Cache Poisoning" attack using a URL with arbitrary arguments, which triggers a reload of the page.

Weakness: CWE-20

Which versions are affected by CVE-2014-9509?

14 open source packages ship an affected version, including typo3/cms. It affects 1 product.

Products include Typo3 Typo3.

How do I fix CVE-2014-9509?

Upgrade typo3/cms to a fixed version for your release line: 4.5.39, 4.6.19, 4.7.21 or 6.0.15.

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-2014-9509 being exploited?

There is no known exploitation of CVE-2014-9509 in the wild and no public exploit code.

Other vulnerabilities in Typo3 Typo3

• CVE-2009-0258 Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection Critical 10.0
• CVE-2011-3583 Typo3 SQL injection due to faulty prepared statements Critical 9.8
• CVE-2011-4628 Typo3 Authentication Bypass Critical 9.8
• CVE-2023-24814 Persisted Cross-Site Scripting in Frontend Rendering in typo3 High 8.8
• CVE-2021-41113 Cross-Site-Request-Forgery in Backend URI Handling in Typo3 High 8.8

All Typo3 Typo3 vulnerabilities

Sources

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

Also known as GHSA-5479-gqqr-f9gj.