Microsoft Exchange PowerShell Deserialization of Untrusted Data Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Exchange. Authentication is required to exploit this vulnerability.
The specific flaw exists within the PowerShell endpoint. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
Additional Details
Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41082
Disclosure Timeline
- 2022-10-20 - Vulnerability reported to vendor
- 2022-10-17 - Coordinated public release of advisory
- 2022-11-22 - Advisory Updated
Credit
DA-0x43-Dx4-DA-Hx2-Tx2-TP-S-Q from GTSC