CVE-2023-5356

Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
GitLabCNA
7.3 HIGH
NETWORK
HIGH
HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
VendorProductVersion
gitlabgitlab
8.13.0 ≤
𝑥
< 16.5.6
gitlabgitlab
8.13.0 ≤
𝑥
< 16.5.6
gitlabgitlab
16.6.0 ≤
𝑥
< 16.6.4
gitlabgitlab
16.6.0 ≤
𝑥
< 16.6.4
gitlabgitlab
16.7.0
gitlabgitlab
16.7.0
gitlabgitlab
16.7.1
gitlabgitlab
16.7.1
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
jammy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/gitlab/-/issues/427154
https://hackerone.com/reports/2188868
https://gitlab.com/gitlab-org/gitlab/-/issues/427154
https://hackerone.com/reports/2188868