Path traversal in OpenOlat - CVE-2021-39180
Published: September 1, 2021
Vulnerability identifier: #VU56233
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-39180
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenOlat
OpenOlat
Software vendor:
OpenOlat
OpenOlat
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. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Remediation
Install update from vendor's website.
External links
- https://github.com/OpenOLAT/OpenOLAT/commit/2cf73c972e23ccd69cc1e103e43c2c8253571d3e
- https://github.com/OpenOLAT/OpenOLAT/commit/699490be8e931af0ef1f135c55384db1f4232637
- https://jira.openolat.org/browse/OO-5549
- https://github.com/OpenOLAT/OpenOLAT/security/advisories/GHSA-x95v-2pgj-9x8j
- https://github.com/OpenOLAT/OpenOLAT/commit/5668a41ab3f1753102a89757be013487544279d5