CVE-2023-6159

Inefficient Regular Expression Complexity in GitLab

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

Se descubrió un problema en GitLab CE/EE que afecta a todas las versiones desde 12.7 anterior a 16.6.6, 16.7 anterior a 16.7.4 y 16.8 anterior a 16.8.1. Era posible que un atacante desencadenara una denegación de servicio de expresión regular a través de un `Cargo.toml` que contiene entradas manipuladas con fines malintencionados.

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

CVSS Scores

NISTv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-11-15 CVE Reserved
2024-01-26 CVE Published
2024-02-01 EPSS Updated
2024-09-18 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1333: Inefficient Regular Expression Complexity

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/431924	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released	2024-01-31

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"				>= 12.7.0 < 16.6.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 12.7.0 < 16.6.6"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 12.7.0 < 16.6.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 12.7.0 < 16.6.6"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.7.0 < 16.7.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.7.0 < 16.7.4"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.7.0 < 16.7.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.7.0 < 16.7.4"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.8.0 Search vendor "Gitlab" for product "Gitlab" and version "16.8.0"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.8.0 Search vendor "Gitlab" for product "Gitlab" and version "16.8.0"		enterprise		Affected