ZDI-19-945: Advantech WISE-PaaS/RMM WechatSignin wechattokenlogin XML External Entity Processing Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech WISE-PasS/RMM. Authentication is not required to exploit this vulnerability. The specific flaw exists within the WechatSignin class. Due to the improper restriction of XML External Entity (XXE) references, a specially crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-19-945?
The severity of ZDI-19-945 is classified as critical due to the potential for remote attackers to disclose sensitive information.
How do I fix ZDI-19-945?
To fix ZDI-19-945, update to the latest version of Advantech WISE-PaaS/RMM where the vulnerability has been addressed.
What types of attacks are possible with ZDI-19-945?
With ZDI-19-945, remote attackers can exploit the vulnerability to disclose sensitive information without any authentication.
Which software is affected by ZDI-19-945?
ZDI-19-945 affects Advantech WISE-PaaS/RMM installations.
Is authentication required to exploit ZDI-19-945?
No, authentication is not required to exploit the ZDI-19-945 vulnerability.