MS15-099: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3089664)
High Nessus Plugin ID 85879
SynopsisThe remote Windows host is affected by multiple remote code execution vulnerabilities.
DescriptionThe remote Windows host has a version of Microsoft Office, Excel, Excel Viewer, SharePoint Server, Microsoft Office Compatibility Pack, Microsoft Office Web Apps, and/or Microsoft SharePoint Foundation installed that is affected by one or more of the following vulnerabilities :
- Multiple remote code execution vulnerabilities exist due to improper handling of objects in memory. A remote attacker can exploit these vulnerabilities by convincing a user to open a specially crafted file in Microsoft Office, resulting in execution of arbitrary code in the context of the current user. (CVE-2015-2520, CVE-2015-2521, CVE-2015-2523)
- A cross-site scripting vulnerability exists in SharePoint due to improper sanitization of user-supplied web requests. A remote attacker can exploit this vulnerability, via a specially crafted web request, to execute arbitrary script code in the context of the current user. (CVE-2015-2522)
- A remote code execution vulnerability exists in Microsoft Office due to improper handling of malformed graphics images. A remote attacker can exploit this vulnerability by convincing a user to open a file or visit a website containing a specially crafted EPS image binary, resulting in execution of arbitrary code in the context of the current user. (CVE-2015-2545)
SolutionMicrosoft has released a set of patches for Office 2007, 2010, 2013, 2013 RT, 2016, SharePoint Server 2013, Microsoft Office Compatibility Pack, and Microsoft Office Web Apps 2013.