Description
ReDoS flaw in RefMatcher when matching branch names using wildcards in GitLab EE/CE affecting all versions from 11.3 prior to 17.0.6, 17.1 prior to 17.1.4, and 17.2 prior to 17.2.2 allows denial of service via Regex backtracking.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 11.3 – < 17.0.6, 17.1 – < 17.1.4, 17.2 – < 17.2.2 | 17.0.6 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gitlab | No fix yet | — |
Advisories 2
- NCSC-2024-0329 Kwetsbaarheden verholpen in GitLab Enterprise Edition en Community Edition NCSC-NL (Netherlands) · Aug 12, 2024
- WID-SEC-2024-1787 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 8, 2024
References
- GitLab Issue #451293 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2416332 technical-description exploit permissions-required