NewsSecurity Vulnerabilities

Microsoft SharePoint BaseXmlDataSource XML External Entity Processing Information Disclosure Vulnerability [CVE-2024-30043]

CVE number = CVE-2024-30043

CVSS Score -= 7.1

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft SharePoint.

Authentication is required to exploit this vulnerability.

The specific flaw exists within the BaseXmlDataSource class.

Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing.

An attacker can leverage this vulnerability to disclose information in the context of the service account.

Microsoft has issued an update to correct this vulnerability.

More details can be found at:

Jason Davies

I am one of the editors here at I am a UK based technology professional, with an interest in computer security and telecoms.

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