Resource exhaustion in GitLab
CVE-2020-13333
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- GitLab — versions 13.1.0, >=13.4.0, <13.4.2, >=13.3.0, <13.3.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/gitlab-org/gitlab/-/issues/218753 (Broken Link)
- hackerone.com/reports/870820 (Exploit, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13333.json (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13333?
- CVE-2020-13333 is a medium-severity vulnerability in GitLab, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2020-10-06.
- How severe is CVE-2020-13333?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2020-13333 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.