CVE-2023-5198

Incorrect Authorization in GitLab

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

An issue has been discovered in GitLab affecting all versions prior to 16.2.7, all versions starting from 16.3 before 16.3.5, and all versions starting from 16.4 before 16.4.1. It was possible for a removed project member to write to protected branches using deploy keys.

Se descubrió un problema en GitLab que afecta a todas las versiones anteriores a 16.2.7, todas las versiones desde 16.3 anteriores a 16.3.5 y todas las versiones desde 16.4 anteriores a 16.4.1. Era posible que un miembro eliminado del proyecto escribiera en sucursales protegidas utilizando claves de implementación.

*Credits: Thanks [theluci](https://hackerone.com/theluci) 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

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-09-26 CVE Reserved
2023-09-29 CVE Published
2024-10-03 CVE Updated
2024-10-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control
CWE-863: Incorrect Authorization

CAPEC

References (1)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/416957	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

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"				>= 8.15 < 16.2.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.15 < 16.2.8"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.15 < 16.2.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.15 < 16.2.8"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.3.0 < 16.3.5 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.3.0 < 16.3.5"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.3.0 < 16.3.5 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.3.0 < 16.3.5"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.4.0 Search vendor "Gitlab" for product "Gitlab" and version "16.4.0"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.4.0 Search vendor "Gitlab" for product "Gitlab" and version "16.4.0"		enterprise		Affected