CVE-2023-3994

EUVD-2023-44617
An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
9.3 ≤
𝑥
< 16.0.8
gitlabgitlab
9.3 ≤
𝑥
< 16.0.8
gitlabgitlab
16.1 ≤
𝑥
< 16.1.3
gitlabgitlab
16.1 ≤
𝑥
< 16.1.3
gitlabgitlab
16.2 ≤
𝑥
< 16.2.2
gitlabgitlab
16.2 ≤
𝑥
< 16.2.2
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
bionic
ignored
focal
dne
jammy
dne
lunar
dne
mantic
dne
noble
dne
trusty
ignored
xenial
ignored
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/416225
https://hackerone.com/reports/1963255
https://gitlab.com/gitlab-org/gitlab/-/issues/416225
https://hackerone.com/reports/1963255