Nmap script to guess* a GitLab version.
git clone https://github.com/righel/gitlab-version-nse
cd gitlab-version-nse
nmap <target> --script ./gitlab_version.nse [--script-args="showcves", --script-args="subdir=/custom-subdir"]
- use
--script-args="showcves"to get version CVEs via Vulners API. - use
--script-args="subdir=/custom-subdir"if GitLab is installed in a sub-directory.
sample output:
$ nmap REDACTED -p 443 --script ./gitlab_version.nse --script-args="showcves"
Starting Nmap 7.80 ( https://nmap.org ) at 2021-11-07 18:39 CET
Nmap scan report for REDACTED
Host is up (0.013s latency).
PORT STATE SERVICE VERSION
8081/tcp open http nginx
| gitlab_version:
| cpe:/a:gitlab:gitlab:13.11.2:*:*:*:enterprise:
| CVE-2021-22181 4.0 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22181
| CVE-2021-22213 4.3 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22213
| CVE-2021-22214 4.3 https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-22214
...
Nmap done: 1 IP address (1 host up) scanned in 0.50 seconds
Created a dictionary of the webpack static assets manifest hash -> gitlab version. This is not 100% accurate as sometimes different minor versions have the same hash, still gives a good estimate. The list of hashes is automagically updated every day via a github action.