CVE-2010-5099 TYPO3 Path Traversal vulnerability

What is CVE-2010-5099?

CVE-2010-5099 is a medium-severity path traversal vulnerability in Typo3 Typo3, published on 30 May 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The fileDenyPattern functionality in the PHP file inclusion protection API in TYPO3 4.2.x before 4.2.16, 4.3.x before 4.3.9, and 4.4.x before 4.4.5 does not properly filter file types, which allows remote attackers to bypass intended access restrictions and access arbitrary PHP files, as demonstrated using path traversal sequences with %00 null bytes and CVE-2010-3714 to read the TYPO3 encryption key from localconf.php.

Weakness: CWE-20

Which versions are affected by CVE-2010-5099?

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

Products include Typo3 Typo3.

How do I fix CVE-2010-5099?

Upgrade typo3/cms to a fixed version for your release line: 4.2.16, 4.3.9 or 4.4.5.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2010-5099 being exploited?

There is no known exploitation of CVE-2010-5099 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

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 CVE-2012-2344, GHSA-66j3-66cp-6c2m.