Preemptive Protection against Microsoft SharePoint HTML Sanitization Cross-site Scripting (MS12-050; CVE-2012-1858)
| Check Point Reference: | CPAI-2012-309 | |
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| Source: | Microsoft Security Bulletin MS12-050 | |
| Industry Reference(s): | CVE-2012-1858 | |
| Protection Provided by: |
Security Gateway
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Who is Vulnerable? Microsoft Office Client Software Microsoft SharePoint Server Microsoft Groove Server Windows SharePoint Services and Microsoft SharePoint Foundation |
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| Vulnerability Description A cross-site scripting vulnerability has been reported in Microsoft SharePoint. |
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Update/Patch Available Apply patches from: MS12-050 |
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Vulnerability Details The vulnerability is due to an error in the way HTML strings are sanitized. A remote attacker can exploit this vulnerability by submitting a specially crafted script to a target site that use HTML sanitization. Successful exploitation could allow an attacker to perform cross-site scripting attacks against affected users, resulting in script execution in the target's security context. |
Protection Overview
This protection will detect and block attempts to exploit this vulnerability.No update is required to address this vulnerabilityUsers are protected against this vulnerability if the Internet Explorer HTML Sanitization Information Disclosure (MS12-039) protection found in the Protection section of CPAI-2012-255 has been applied.
To configure the defense, select your product from the list below and follow the related protection steps.