MS15-070: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3072620)
High Nessus Plugin ID 84739
SynopsisThe remote Windows host is affected by multiple vulnerabilities.
DescriptionThe remote Windows host has a version of Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, SharePoint Server, or Microsoft Office Compatibility Pack installed that is affected by multiple vulnerabilities :
- An ASLR bypass vulnerability exists in Microsoft Excel due to memory being released in an unintended manner. A remote attacker can exploit this by convincing a user to open a specially crafted Excel (.xls) file, allowing the attacker to more reliably predict the memory offsets of specific instructions in a given call stack. The attacker can then utilize this information to more easily exploit additional 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, resulting in the execution of arbitrary code in the context of the current user. (CVE-2015-2376, CVE-2015-2377, CVE-2015-2379, CVE-2015-2380, CVE-2015-2415, CVE-2015-2424)
- A remote code execution vulnerability exists in Microsoft excel due to improper handling of the loading of dynamic link library (DLL) files. A remote attacker can exploit this vulnerability by placing a specially crafted DLL file in the user's current working directory and then convincing the user to launch a program designed to load the DLL, resulting in the execution of arbitrary code in the context of the current user.
SolutionMicrosoft has released a set of patches for Office 2007. Office 2010, Office 2013, Word 2007, Word 2010, Word 2013, Excel 2007, Excel 2010, Excel 2013, PowerPoint 2007, PowerPoint 2010, PowerPoint 2013, Excel Viewer, Word Viewer, Office Compatibility Pack, SharePoint Server 2007, SharePoint Server 2010, and SharePoint Server 2013.