CVE-2015-1700 in SharePoint
Summary
by MITRE
Microsoft SharePoint Server 2007 SP3, SharePoint Foundation 2010 SP2, SharePoint Server 2010 SP2, and SharePoint Foundation 2013 SP1 allow remote authenticated users to execute arbitrary code via crafted page content, aka "Microsoft SharePoint Page Content Vulnerabilities."
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 11/30/2024
This vulnerability represents a critical remote code execution flaw affecting multiple versions of Microsoft SharePoint Server and Foundation products. The issue stems from insufficient input validation within the page content processing mechanisms of these platforms, allowing authenticated attackers to inject malicious code that executes with the privileges of the affected SharePoint application. The vulnerability specifically impacts SharePoint Server 2007 SP3, SharePoint Foundation 2010 SP2, SharePoint Server 2010 SP2, and SharePoint Foundation 2013 SP1 installations, creating a widespread attack surface across enterprise environments that rely on these legacy platforms.
The technical exploitation occurs through crafted page content that bypasses normal security controls during content rendering and processing. When SharePoint processes maliciously constructed web parts, HTML content, or other page elements, the application fails to properly sanitize inputs before executing or rendering them. This allows attackers who have already established authentication credentials to inject malicious scripts or commands that execute within the SharePoint application context. The vulnerability is categorized under CWE-79 as Cross-Site Scripting, but extends beyond typical XSS scenarios to enable full remote code execution capabilities. From an attack perspective, this aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically PowerShell and other scripting languages that can be executed through the compromised SharePoint environment.
The operational impact of this vulnerability is severe for organizations relying on SharePoint infrastructure, as successful exploitation provides attackers with elevated privileges and potential access to sensitive corporate data. Attackers can leverage this vulnerability to establish persistent access, escalate privileges within the SharePoint environment, and potentially move laterally to other systems within the network. The authenticated nature of the attack means that even basic user accounts can potentially exploit this vulnerability, making it particularly dangerous in environments where SharePoint is used for collaborative work and document sharing. Organizations may face data breaches, system compromise, and compliance violations, particularly in regulated industries where SharePoint serves as a primary collaboration platform for sensitive information.
Mitigation strategies should focus on immediate patch application for all affected SharePoint versions, followed by network segmentation and access control hardening. Organizations should implement strict content validation policies and regularly audit SharePoint web parts and customizations. The implementation of web application firewalls and security monitoring solutions can help detect anomalous content processing patterns. Additionally, regular security assessments and penetration testing should be conducted to identify potential exploitation vectors, while user access rights should be carefully reviewed and restricted to minimize potential impact from compromised accounts. Security teams should also consider implementing automated patch management processes to ensure timely deployment of security updates across all SharePoint environments.