Vulnerability in GitLab
CVE-2023-6159
An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- GitLab — versions 16.8.0, 16.8, 12.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-re… (Vendor Advisory)
- GitLab Issue #431924 (issue-tracking, permissions-required, Broken Link)
- HackerOne Bug Bounty Report #2251278 (Permissions Required, technical-description, permissions-required, exploit, broken-link)
Frequently asked questions
- What is CVE-2023-6159?
- CVE-2023-6159 is a medium-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2024-01-26.
- How severe is CVE-2023-6159?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-6159 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.