Open redirect in Gitlab Authentication - CVE-2019-10372

 

Open redirect in Gitlab Authentication - CVE-2019-10372

Published: October 4, 2019


Vulnerability identifier: #VU21543
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-10372
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Jenkins
Affected software:
Gitlab Authentication

Detailed vulnerability description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data in "GitLabSecurityRealm.java". A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects users to a URL outside Jenkins after successful login.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.


How to mitigate CVE-2019-10372

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources