Advisory Details

June 23rd, 2022

Microsoft SharePoint Chart Deserialization of Untrusted Data Remote Code Execution Vulnerability

CVE ID	CVE-2022-30157
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	SharePoint
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint Server. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of charts. Tampering with client-side data can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the SharePoint web server process.
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-2022-30157
DISCLOSURE TIMELINE	2022-06-10 - Vulnerability reported to vendor 2022-06-23 - Coordinated public release of advisory
CREDIT	H01 and H02 from FPT Software Cyber Security Assurance Service

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