CVE-2019-19848 TYPO3 Directory Traversal on ZIP extraction

What is CVE-2019-19848?

CVE-2019-19848 is a medium-severity path traversal vulnerability in Typo3 Typo3, published on 17 Dec 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the extraction of manually uploaded ZIP archives in Extension Manager is vulnerable to directory traversal. Admin privileges are required in order to exploit this vulnerability. (In v9 LTS and later, System Maintainer privileges are also required.)

Weakness: CWE-22

Which versions are affected by CVE-2019-19848?

12 open source packages ship an affected version, including typo3/cms and typo3/cms-core. It affects 1 product.

Products include Typo3 Typo3.

How do I fix CVE-2019-19848?

Upgrade typo3/cms to a fixed version for your release line: 10.2.2, 8.7.30 or 9.5.12.

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

Is CVE-2019-19848 being exploited?

There is no known exploitation of CVE-2019-19848 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-77p4-wfr8-977w.