CVE-2023-3424

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitLabCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
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CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
gitlabgitlab
10.3.0 ≤
𝑥
< 15.11.10
gitlabgitlab
10.3.0 ≤
𝑥
< 15.11.10
gitlabgitlab
16.0.0 ≤
𝑥
< 16.0.6
gitlabgitlab
16.0.0 ≤
𝑥
< 16.0.6
gitlabgitlab
16.1.0 ≤
𝑥
< 16.1.1
gitlabgitlab
16.1.0 ≤
𝑥
< 16.1.1
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
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/409802
https://hackerone.com/reports/1960970
https://gitlab.com/gitlab-org/gitlab/-/issues/409802
https://hackerone.com/reports/1960970