Vulnerability · Published Sep 29, 2023 · Assigned by GitLab
CVE-2023-3917Improper Validation of Specified Type of Input in GitLab
Medium 4.3
In plain English
A medium-severity security flaw in GitLab from GitLab. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 39.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2023-3917 |
| Ubuntu:25.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2023-3917 |
| Ubuntu:26.04:LTS | gitlab-agent | no fix listed | UBUNTU-CVE-2023-3917 |
| Ubuntu:26.10 | gitlab-agent | no fix listed | UBUNTU-CVE-2023-3917 |
Affected products (as reported)
Weakness: CWE-1287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- GitLab Issue #417896 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2055158 technical-description, exploit, permissions-required