We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.

Please see our statement on Data Privacy.

Crisp.chat (Helpdesk and Chat)

Ok

THREATINT
PUBLISHED

CVE-2023-3909

Inefficient Regular Expression Complexity in GitLab



AssignerGitLab
Reserved2023-07-25
Published2023-11-06
Updated2024-10-03

Description

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.



MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Product status

Default status
unaffected

12.3 before 16.3.6
affected

16.4 before 16.4.2
affected

16.5 before 16.5.1
affected

Credits

Thanks [akadrian](https://hackerone.com/akadrian) for reporting this vulnerability through our HackerOne bug bounty program finder

References

https://gitlab.com/gitlab-org/gitlab/-/issues/418763 (GitLab Issue #418763) issue-tracking permissions-required

https://hackerone.com/reports/2050269 (HackerOne Bug Bounty Report #2050269) technical-description exploit permissions-required

cve.org CVE-2023-3909

nvd.nist.gov CVE-2023-3909

Download JSON

Share this page
https://cve.threatint.com/CVE/CVE-2023-3909
Support options

Helpdesk Telegram

Subscribe to our newsletter to learn more about our work.