Deserialization of Untrusted Data in Microsoft products - CVE-2024-43466

 

Deserialization of Untrusted Data in Microsoft products - CVE-2024-43466

Published: September 10, 2024 / Updated: September 11, 2024


Vulnerability identifier: #VU97026
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-43466
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Enterprise Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insecure input validation when processing serialized data within the SPAutoSerializingObject class in Microsoft SharePoint Server. A remote user can pass specially crafted data to the application and cause a denial of service condition on the target system.


How to mitigate CVE-2024-43466

Install updates from vendor's website.

Sources