Advisory Details

May 4th, 2023

Microsoft SharePoint Chart Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI-23-546
ZDI-CAN-16664

CVE ID CVE-2022-29108
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-2022-29108
DISCLOSURE TIMELINE
  • 2022-03-04 - Vulnerability reported to vendor
  • 2023-05-04 - Coordinated public release of advisory
CREDIT Anonymous
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