AUO Solar Data Recorder Incorrect Access Control

2019.06.05
Credit: Luca.Chiou
Risk: Medium
Local: Yes
Remote: No
CWE: CWE-287


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# Exploit Title: AUO Solar Data Recorder - Incorrect Access Control # Date: 2019-04-16 # Exploit Author: Luca.Chiou # Vendor Homepage: https://www.auo.com/zh-TW # Version: AUO Solar Data Recorder all versions prior to v1.3.0 # Tested on: It is a proprietary devices: https://solar.auo.com/en-global/Support_Download_Center/index # CVE: CVE-2019-11367 # 1. Description: # In AUO Solar Data Recorder web page, it's use HTTP Basic Access Authentication. # Once user access the files which are under path http://<host>/protect/, # the website will response the plaintext account and password in WWW-Authenticate attribute. # Attackers is capable to login AUO Solar Data Recorder successfully. # 2. Proof of Concept: # Access the files which are under path http://<host>/protect/ of AUO Solar Data Recorder. # The website use HTTP Basic Access Authentication, # and response the plaintext account and password in WWW-Authenticate attribute. # By using the account and password in HTTP response, # anyone can login AUO Solar Data Recorder successfully.


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