// For flags

CVE-2023-6159

Inefficient Regular Expression Complexity in GitLab

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

6
*CPE

Public Exploits

0
*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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* 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
  • 2024-09-18 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-1333: Inefficient Regular Expression Complexity
CAPEC
References (2)
Affected Vendors, Products, and Versions (6)