Advisory Details

October 17th, 2022

Microsoft Exchange PowerShell Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVE ID	CVE-2022-41082
CVSS SCORE	8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Exchange
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

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