ZDI-20-822: Veeam ONE Reporter_ImportLicense Page_Load XML External Entity Processing Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Veeam ONE. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ReporterImportLicense 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 file contents in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-20-822?
The severity of ZDI-20-822 is rated as high due to the potential for remote attackers to disclose sensitive information without authentication.
How do I fix ZDI-20-822?
To fix ZDI-20-822, it is recommended to apply the latest patches provided by Veeam for the Veeam ONE software.
Who is affected by ZDI-20-822?
ZDI-20-822 affects installations of Veeam ONE, particularly those utilizing the Reporter_ImportLicense class.
Can ZDI-20-822 be exploited remotely?
Yes, ZDI-20-822 can be exploited remotely by attackers without the need for authentication.
What type of information can be disclosed by exploiting ZDI-20-822?
Exploiting ZDI-20-822 may enable remote attackers to disclose sensitive information from affected Veeam ONE installations.