Input validation error in GitLab Enterprise Edition - CVE-2020-7978
Published: February 10, 2020
Vulnerability identifier: #VU25098
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7978
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in AsciiDoc. A remote attacker can use certain payloads and cause a denial of service condition on the target system.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2020-7978
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 12.6.6, 12.7.4