BIT-gitlab-2023-3909

vendorUSosv

Inefficient Regular Expression Complexity in GitLab

view advisory published 2024-03-06Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-3909US	medium6.5	0.60% (48th)	—	2023-11-06
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…

references

External citations — patches, advisories, analysis.

https://gitlab.com/gitlab-org/gitlab/-/issues/418763WEB
https://hackerone.com/reports/2050269WEB
https://nvd.nist.gov/vuln/detail/CVE-2023-3909WEB

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