Security restrictions bypass in Gitlab Community Edition - CVE-2018-18647
Published: October 30, 2018
Vulnerability identifier: #VU15580
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18647
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to an error in the protected_branches api. A remote attacker can remove the merge_access_levels and push_access_levels objects that may lead to the inability of project participants to push or merge into the branch.
Affected software
Gitlab Community Edition
How to mitigate CVE-2018-18647
The vulnerability has been fixed in the versions 11.4.3, 11.3.8, 11.2.7.
Gitlab Community Edition - addressed in versions 11.2.7, 11.3.8, 11.4.3