Server-Side Request Forgery (SSRF) in Gitlab Community Edition - CVE-2019-5464
Published: January 28, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30403
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-5464
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
Gitlab Community Edition
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.
How to mitigate CVE-2019-5464
Install update from vendor's website.