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GoogleOSV:BIT-GITLAB-2023-3994

HistoryMar 06, 2024 - 11:00 a.m.

BIT-gitlab-2023-3994

2024-03-0611:00:53

Google

osv.dev

issue discovered

regular expression denial of service

crafted payloads

projectreferencefilter

preview_markdown endpoint

software vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.1%

JSON

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.

CPENameOperatorVersion
gitlabge16.1.0
gitlabge9.3.0
gitlablt16.2.2
gitlabge16.2.0
gitlablt16.0.8
gitlablt16.1.3

Name	Operator	Version
gitlab	ge	16.1.0
gitlab	ge	9.3.0
gitlab	lt	16.2.2
gitlab	ge	16.2.0
gitlab	lt	16.0.8
gitlab	lt	16.1.3

References

gitlab.com/gitlab-org/gitlab/-/issues/416225

hackerone.com/reports/1963255

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.1%

JSON

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