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GoogleOSV:BIT-GITLAB-2023-3915

HistoryMar 06, 2024 - 11:02 a.m.

BIT-gitlab-2023-3915

2024-03-0611:02:39

Google

osv.dev

issue

gitlab ee

privilege escalation

service account

external user

group

software vulnerability

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

30.1%

JSON

An issue has been discovered in GitLab EE affecting all versions starting from 16.1 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. If an external user is given an owner role on any group, that external user may escalate their privileges on the instance by creating a service account in that group. This service account is not classified as external and may be used to access internal projects.

CPENameOperatorVersion
gitlabge16.1.0
gitlabge16.3.0
gitlable16.3.0
gitlablt16.1.5
gitlabge16.2.0
gitlablt16.2.5

Name	Operator	Version
gitlab	ge	16.1.0
gitlab	ge	16.3.0
gitlab	le	16.3.0
gitlab	lt	16.1.5
gitlab	ge	16.2.0
gitlab	lt	16.2.5

References

gitlab.com/gitlab-org/gitlab/-/issues/417664

hackerone.com/reports/2040834

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

30.1%

JSON

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