Information disclosure in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2020-13356
Published: November 3, 2020
Vulnerability identifier: #VU48115
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-13356
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote attacker can use a specially crafted request to bypass Multipart protection and read files in certain specific paths on the server.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2020-13356
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2
Gitlab Community Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2
Gitlab Community Edition - addressed in versions 13.3.9, 13.4.5, 13.5.2