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GoogleOSV:BIT-GITLAB-2020-13270

HistoryMar 06, 2024 - 11:23 a.m.

BIT-gitlab-2020-13270

2024-03-0611:23:10

Google

osv.dev

gitlab

permission check

fork relation

guest users

restricted public projects

api

software

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.3%

JSON

Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API

CPENameOperatorVersion
gitlabge12.10.0
gitlablt11.9.8
gitlablt12.9.8
gitlablt12.10.7
gitlablt13.0.1
gitlabge11.3.0
gitlabge13.0.0

Name	Operator	Version
gitlab	ge	12.10.0
gitlab	lt	11.9.8
gitlab	lt	12.9.8
gitlab	lt	12.10.7
gitlab	lt	13.0.1
gitlab	ge	11.3.0
gitlab	ge	13.0.0

References

gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13270.json

gitlab.com/gitlab-org/gitlab/-/issues/24648

hackerone.com/reports/419977

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.3%

JSON

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