Server-Side Request Forgery (SSRF) in GitLab Enterprise Edition - CVE-2018-18843
Published: June 22, 2019
Vulnerability identifier: #VU18876
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2018-18843
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request to the affected system and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network, view contest of arbitrary files on the server or send malicious requests to other servers from the vulnerable system.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2018-18843
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 11.2.8, 11.3.9, 11.4.4