CVE-2023-3979

Exposure of Sensitive Information to an Unauthorized Actor 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 starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

Se ha descubierto un problema en GitLab que afecta a todas las versiones desde 10.6 anteriores a 16.2.8, todas las versiones desde 16.3 anteriores a 16.3.5, todas las versiones desde 16.4 anteriores a 16.4.1. Era posible que los miembros upstream que colaboraran en su sucursal obtuvieran permisos para escribir en la sucursal fuente de la solicitud de fusión.

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

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

2023-07-27 CVE Reserved
2023-09-29 CVE Published
2024-08-29 EPSS Updated
2024-09-18 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (1)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/419972	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"				>= 10.6 < 16.2.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 10.6 < 16.2.8"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 10.6 < 16.2.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 10.6 < 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