CVE-2023-3994 Uncontrolled Resource Consumption in GitLab

2023-08-0200:06:50

CWE-400

GitLab

github.com

gitlab

resource consumption

regular expression denial of service

projectreferencefilter

cve-2023-3994

CVSS3

7.5

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

AI Score

6.4

Confidence

Low

EPSS

0.001

Percentile

38.4%

SSVC

Exploitation

poc

Automatable

yes

Technical Impact

partial

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.