CVE-2023-3909

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
GitLabCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA-ADPADP
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
gitlabgitlab
12.3.0 ≤
𝑥
< 16.3.6
gitlabgitlab
12.3.0 ≤
𝑥
< 16.3.6
gitlabgitlab
16.4.0 ≤
𝑥
< 16.4.2
gitlabgitlab
16.4.0 ≤
𝑥
< 16.4.2
gitlabgitlab
16.5.0
gitlabgitlab
16.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
noble
dne
jammy
dne
focal
dne
xenial
ignored
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/418763
https://hackerone.com/reports/2050269
https://gitlab.com/gitlab-org/gitlab/-/issues/418763
https://hackerone.com/reports/2050269