CVE-2023-5356

Incorrect Authorization in GitLab

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.

Verificaciones de autorización incorrectas en GitLab CE/EE desde todas las versiones desde 8.13 anteriores a 16.5.6, todas las versiones desde 16.6 anteriores a 16.6.4, todas las versiones desde 16.7 anteriores a 16.7.2, permiten que un usuario abuse de las integraciones de slack/mattermost para ejecutar slash commands como otro usuario.

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

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-10-03 CVE Reserved
2024-01-12 CVE Published
2024-01-19 EPSS Updated
2024-09-18 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization

CAPEC

References (1)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/427154	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"				>= 8.13.0 < 16.5.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.13.0 < 16.5.6"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.13.0 < 16.5.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.13.0 < 16.5.6"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.6.0 < 16.6.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.6.0 < 16.6.4"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 16.6.0 < 16.6.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 16.6.0 < 16.6.4"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.7.0 Search vendor "Gitlab" for product "Gitlab" and version "16.7.0"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.7.0 Search vendor "Gitlab" for product "Gitlab" and version "16.7.0"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.7.1 Search vendor "Gitlab" for product "Gitlab" and version "16.7.1"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				16.7.1 Search vendor "Gitlab" for product "Gitlab" and version "16.7.1"		enterprise		Affected