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GoogleOSV:BIT-GITLAB-2021-39891

HistoryMar 06, 2024 - 11:18 a.m.

BIT-gitlab-2021-39891

2024-03-0611:18:20

Google

osv.dev

gitlab

access token

admin impersonation

sensitive info disclosure

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%

JSON

In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin’s impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.

CPENameOperatorVersion
gitlablt14.3.1
gitlablt14.2.5
gitlabge14.3.0
gitlabge14.2.0
gitlabge8.0.0
gitlablt14.1.7

Name	Operator	Version
gitlab	lt	14.3.1
gitlab	lt	14.2.5
gitlab	ge	14.3.0
gitlab	ge	14.2.0
gitlab	ge	8.0.0
gitlab	lt	14.1.7

References

gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json

gitlab.com/gitlab-org/gitlab/-/issues/335137

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.8%

JSON

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