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GoogleOSV:BIT-GITLAB-2023-2198

HistoryMar 06, 2024 - 11:08 a.m.

BIT-gitlab-2023-2198

2024-03-0611:08:56

Google

osv.dev

issue discovered

regular expression denial of service

crafted payloads

preview_markdown endpoint

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

6.3 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

30.8%

JSON

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

CPENameOperatorVersion
gitlablt16.0.2
gitlabge15.11.0
gitlabge8.7.0
gitlablt15.11.7
gitlablt15.10.8
gitlabge16.0.0

Name	Operator	Version
gitlab	lt	16.0.2
gitlab	ge	15.11.0
gitlab	ge	8.7.0
gitlab	lt	15.11.7
gitlab	lt	15.10.8
gitlab	ge	16.0.0

References

gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2198.json

gitlab.com/gitlab-org/gitlab/-/issues/408273

hackerone.com/reports/1947187

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

6.3 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

30.8%

JSON

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