CVE-2020-13333 — MEDIUM (4.3)

Vulnerability 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 Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Gitlab	Gitlab	13.1.0

Related Weaknesses (CWE)

CWE-400

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/218753Broken Link
https://hackerone.com/reports/870820ExploitThird Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/218753Broken Link
https://hackerone.com/reports/870820ExploitThird Party Advisory

FAQ

What is CVE-2020-13333?

CVE-2020-13333 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...

How severe is CVE-2020-13333?

CVE-2020-13333 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13333?

Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.