CVE-2013-4321 TYPO3 vulnerable to remote authenticated arbitrary code execution

What is CVE-2013-4321?

CVE-2013-4321 is a medium-severity code injection vulnerability in Typo3 Typo3, published on 20 May 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The File Abstraction Layer (FAL) in TYPO3 6.0.x before 6.0.8 and 6.1.x before 6.1.4 allows remote authenticated editors to execute arbitrary PHP code via unspecified characters in the file extension when renaming a file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4250.

Weakness: CWE-94

Which versions are affected by CVE-2013-4321?

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

Products include Typo3 Typo3.

How do I fix CVE-2013-4321?

Upgrade typo3/cms to a fixed version for your release line: 6.0.9 or 6.1.4.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2013-4321 being exploited?

There is no known exploitation of CVE-2013-4321 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-m76j-69c2-c3m8.