#VU23643 Path traversal in TYPO3
Published: December 17, 2019
Vulnerability identifier: #VU23643
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
TYPO3
TYPO3
Software vendor:
TYPO3
TYPO3
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within Extension Manager during extraction of manual uploaded ZIP archives. A remote attacker can trick an administrator into uploading a specially crafted zip file that contains directory traversal characters in its name and overwrite arbitrary files on the system.
Remediation
Install updates from vendor's website.