CVE-2023-0921

Allocation of Resources Without Limits or Throttling in GitLab

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.

*Credits: Thanks [cryptopone](https://hackerone.com/cryptopone) for reporting this vulnerability through our HackerOne bug bounty program

CVSS Scores

NISTv3.1 4.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-02-20 CVE Reserved
2023-06-06 CVE Published
2024-06-12 EPSS Updated
2024-10-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption
CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/392433	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0921.json	2023-06-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.3.0 < 15.10.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.3.0 < 15.10.8"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.3.0 < 15.10.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.3.0 < 15.10.8"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 15.11.0 < 15.11.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 15.11.0 < 15.11.7"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 15.11.0 < 15.11.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 15.11.0 < 15.11.7"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.0.0 < 16.0.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.0.0 < 16.0.2"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.0.0 < 16.0.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.0.0 < 16.0.2"		enterprise		Affected