Vulnerability in GitLab
CVE-2023-3424
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- GitLab — versions 10.3, 16.0, 16.1
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/409802 (issue-tracking, Broken Link, Vendor Advisory)
- hackerone.com/reports/1960970 (technical-description, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2023-3424?
- CVE-2023-3424 is a high-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2023-07-13.
- How severe is CVE-2023-3424?
- High severity. CVSS v3 base score is 7.5 out of 10.