Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
How could an attacker exploit the vulnerability?
An authenticated attacker with Site Owner permissions or higher could upload a specially crafted file to the targeted SharePoint Server and craft specialized API requests to trigger deserialization of file's parameters. This would enable the attacker to perform remote code execution in the context of the SharePoint Server.
According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?
An authenticated attacker with Site Owner permissions can use the vulnerability to inject arbitrary code and execute this code in the context of SharePoint Server.
Security updates
16.0.5465.1001 — https://support.microsoft.com/help/5002624
16.0.10414.20002 — https://support.microsoft.com/help/5002639
16.0.17928.20086 — https://support.microsoft.com/help/5002640
Vulnerabilities 1
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High 7.2
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Revision history
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#2
Updated links to security updates. This is an informational change only.
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#1
Information published.
References
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CVE-2024-38228 Microsoft SharePoint Server Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38228
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss