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THREATINT
PUBLISHED

CVE-2023-6489

Inefficient Regular Expression Complexity in GitLab



AssignerGitLab
Reserved2023-12-04
Published2024-04-12
Updated2024-10-03

Description

A denial of service vulnerability was identified in GitLab CE/EE, versions 16.7.7 prior to 16.8.6, 16.9 prior to 16.9.4 and 16.10 prior to 16.10.2 which allows an attacker to spike the GitLab instance resources usage resulting in service degradation via chat integration feature.



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

Problem types

CWE-1333: Inefficient Regular Expression Complexity

Product status

Default status
unaffected

16.7.7 before 16.8.6
affected

16.9 before 16.9.4
affected

16.10 before 16.10.2
affected

Credits

Thanks `Anonymizer` for reporting this vulnerability through our HackerOne bug bounty program 0x400682b8a0

References

https://gitlab.com/gitlab-org/gitlab/-/issues/433520 (GitLab Issue #433520) issue-tracking permissions-required

https://hackerone.com/reports/2262450 (HackerOne Bug Bounty Report #2262450) technical-description exploit permissions-required

cve.org CVE-2023-6489

nvd.nist.gov CVE-2023-6489

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