CVE-2020-13333 Information

Description

A potential DOS vulnerability was discovered in GitLab versions 13.1 13.2 and 13.3. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json https://gitlab.com/gitlab-org/gitlab/-/issues/218753 https://hackerone.com/reports/870820

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

4.3