Improper input validation in Gitlab Community Edition - CVE-2018-18649

 

Improper input validation in Gitlab Community Edition - CVE-2018-18649

Published: October 30, 2018


Vulnerability identifier: #VU15570
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-2018-18649
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to insufficient validation of user-supplied input in wiki API. A remote attacker can supply specially crafted input, trigger unspecified flaw and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2018-18649

The vulnerability has been fixed in the versions 11.4.3, 11.3.8.

Sources