CVE-2016-4340

GitLab - 'impersonate' Feature Privilege Escalation

Severity Score

8.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The impersonate feature in Gitlab 8.7.0, 8.6.0 through 8.6.7, 8.5.0 through 8.5.11, 8.4.0 through 8.4.9, 8.3.0 through 8.3.8, and 8.2.0 through 8.2.4 allows remote authenticated users to "log in" as any other user via unspecified vectors.

La característica de suplantación en Gitlab 8.7.0, 8.6.0 hasta la versión 8.6.7, 8.5.0 hasta la versión 8.5.11, 8.4.0 hasta la versión 8.4.9, 8.3.0 hasta la versión 8.3.8 y 8.2.0 hasta la versión 8.2.4 permite a usuarios remotos autenticados para "iniciar sesión" como cualquier otro usuario a través de vectores no especificados.

GitLab suffers from a privilege escalation vulnerability via the impersonate feature. Versions 8.2.0 through 8.2.4, 8.3.0 through 8.3.8, 8.4.0 through 8.4.9, 8.5.0 through 8.5.11, 8.6.0 through 8.6.7, and 8.7.0 are affected.

*Credits: N/A

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

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-04-27 CVE Reserved
2016-08-16 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2025-01-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/40236	2024-08-06
http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html	2024-08-06

URL	Date	SRC
https://about.gitlab.com/2016/05/02/cve-2016-4340-patches	2017-01-25
https://gitlab.com/gitlab-org/gitlab-ce/issues/15548	2017-01-25

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"				8.2.0 Search vendor "Gitlab" for product "Gitlab" and version "8.2.0"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.2.1 Search vendor "Gitlab" for product "Gitlab" and version "8.2.1"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.2.2 Search vendor "Gitlab" for product "Gitlab" and version "8.2.2"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.2.3 Search vendor "Gitlab" for product "Gitlab" and version "8.2.3"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.2.4 Search vendor "Gitlab" for product "Gitlab" and version "8.2.4"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.0 Search vendor "Gitlab" for product "Gitlab" and version "8.3.0"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.1 Search vendor "Gitlab" for product "Gitlab" and version "8.3.1"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.2 Search vendor "Gitlab" for product "Gitlab" and version "8.3.2"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.3 Search vendor "Gitlab" for product "Gitlab" and version "8.3.3"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.4 Search vendor "Gitlab" for product "Gitlab" and version "8.3.4"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.5 Search vendor "Gitlab" for product "Gitlab" and version "8.3.5"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.6 Search vendor "Gitlab" for product "Gitlab" and version "8.3.6"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.7 Search vendor "Gitlab" for product "Gitlab" and version "8.3.7"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.3.8 Search vendor "Gitlab" for product "Gitlab" and version "8.3.8"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.0 Search vendor "Gitlab" for product "Gitlab" and version "8.4.0"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.1 Search vendor "Gitlab" for product "Gitlab" and version "8.4.1"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.2 Search vendor "Gitlab" for product "Gitlab" and version "8.4.2"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.3 Search vendor "Gitlab" for product "Gitlab" and version "8.4.3"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.4 Search vendor "Gitlab" for product "Gitlab" and version "8.4.4"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.5 Search vendor "Gitlab" for product "Gitlab" and version "8.4.5"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.6 Search vendor "Gitlab" for product "Gitlab" and version "8.4.6"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.7 Search vendor "Gitlab" for product "Gitlab" and version "8.4.7"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.8 Search vendor "Gitlab" for product "Gitlab" and version "8.4.8"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.4.9 Search vendor "Gitlab" for product "Gitlab" and version "8.4.9"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.0 Search vendor "Gitlab" for product "Gitlab" and version "8.5.0"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.1 Search vendor "Gitlab" for product "Gitlab" and version "8.5.1"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.2 Search vendor "Gitlab" for product "Gitlab" and version "8.5.2"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.3 Search vendor "Gitlab" for product "Gitlab" and version "8.5.3"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.4 Search vendor "Gitlab" for product "Gitlab" and version "8.5.4"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.5 Search vendor "Gitlab" for product "Gitlab" and version "8.5.5"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.6 Search vendor "Gitlab" for product "Gitlab" and version "8.5.6"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.7 Search vendor "Gitlab" for product "Gitlab" and version "8.5.7"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.8 Search vendor "Gitlab" for product "Gitlab" and version "8.5.8"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.9 Search vendor "Gitlab" for product "Gitlab" and version "8.5.9"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.10 Search vendor "Gitlab" for product "Gitlab" and version "8.5.10"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.5.11 Search vendor "Gitlab" for product "Gitlab" and version "8.5.11"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.0 Search vendor "Gitlab" for product "Gitlab" and version "8.6.0"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.1 Search vendor "Gitlab" for product "Gitlab" and version "8.6.1"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.2 Search vendor "Gitlab" for product "Gitlab" and version "8.6.2"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.3 Search vendor "Gitlab" for product "Gitlab" and version "8.6.3"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.4 Search vendor "Gitlab" for product "Gitlab" and version "8.6.4"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.5 Search vendor "Gitlab" for product "Gitlab" and version "8.6.5"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.6 Search vendor "Gitlab" for product "Gitlab" and version "8.6.6"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.6.7 Search vendor "Gitlab" for product "Gitlab" and version "8.6.7"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				8.7.0 Search vendor "Gitlab" for product "Gitlab" and version "8.7.0"		-		Affected