ZDI-CAN-13594: (Pwn2Own) Microsoft Exchange Server Missing Check of Message Integrity Vulnerability
This vulnerability allows network-adjacent attackers to tamper with update data on affected installations of Microsoft Exchange Server. User interaction is required to exploit this vulnerability. The specific flaw exists within the handling of Exchange Server Help updates. The issue results from a missing integrity check on update downloads. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-13594?
The severity of ZDI-CAN-13594 is assessed as important, requiring user interaction for exploitation.
How do I fix ZDI-CAN-13594?
To fix ZDI-CAN-13594, ensure that your Microsoft Exchange Server is updated with the latest security updates provided by Microsoft.
What types of attacks are possible due to ZDI-CAN-13594?
ZDI-CAN-13594 allows network-adjacent attackers to tamper with update data on affected installations of Microsoft Exchange Server.
Is user interaction required to exploit ZDI-CAN-13594?
Yes, user interaction is required to exploit the vulnerability identified as ZDI-CAN-13594.
What software is affected by ZDI-CAN-13594?
Microsoft Exchange Server installations are affected by the vulnerability ZDI-CAN-13594.