CVE-2020-13333

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory gitlab.com Third-Party Advisory hackerone.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/218753 broken link
https://hackerone.com/reports/870820 third party advisory exploit
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-13333?
CVE-2020-13333 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13333?
To fix CVE-2020-13333, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13333 being actively exploited in the wild?
It is possible that CVE-2020-13333 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-13333?
CVE-2020-13333 affects GitLab GitLab.
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