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Microsoft Excel CVE-2013-1315 Memory Corruption Vulnerability

Description

### Description Microsoft Excel is prone to a memory-corruption vulnerability. Attackers can exploit this issue to execute arbitrary code in the context of the currently logged-in user. Failed attacks will cause denial-of-service conditions. ### Technologies Affected * Microsoft Excel 2003 SP3 * Microsoft Excel 2007 SP3 * Microsoft Excel 2010 SP1 (32-bit editions) * Microsoft Excel 2010 SP1 (64-bit editions) * Microsoft Excel 2010 SP2 (32-bit editions) * Microsoft Excel 2010 SP2 (64-bit editions) * Microsoft Excel 2013 (32-bit editions) * Microsoft Excel 2013 (64-bit editions) * Microsoft Excel 2013 RT * Microsoft Excel Viewer * Microsoft Excel Web App 2010 Service Pack 1 * Microsoft Excel Web App 2010 Service Pack 2 * Microsoft Office Compatibility Pack SP3 * Microsoft Office for Mac 2011 * Microsoft SharePoint Server 2007 for 32-bit SP3 * Microsoft SharePoint Server 2007 for 64-bit SP3 * Microsoft SharePoint Server 2010 SP1 * Microsoft SharePoint Server 2010 SP2 * Microsoft Word Web App 2010 Service Pack 1 * Microsoft Word Web App 2010 Service Pack 2 ### Recommendations **Run all software as a nonprivileged user with minimal access rights.** To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights. **Deploy network intrusion detection systems to monitor network traffic for malicious activity.** Deploy NIDS to monitor network traffic for signs of suspicious or anomalous activity. This may help detect malicious actions that an attacker may take after successfully exploiting vulnerabilities in applications. Review all applicable logs regularly. **Do not accept or execute files from untrusted or unknown sources.** To reduce the likelihood of successful exploits, never handle files that originate from unfamiliar or untrusted sources. **Do not follow links provided by unknown or untrusted sources.** Web users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users. **Implement multiple redundant layers of security.** Since this issue may be leveraged to execute code, we recommend memory-protection schemes, such as nonexecutable stack/heap configurations and randomly mapped memory segments. This tactic may complicate exploits of memory-corruption vulnerabilities. Updates are available. Please see the references or vendor advisory for more information.


Affected Software


CPE Name Name Version
microsoft excel 2010 SP1 (64-bit editions)
microsoft excel web app 2010 Service Pack 2
microsoft excel 2013 (32-bit editions)
microsoft sharepoint server 2010 SP1
microsoft sharepoint server 2007 for 32-bit SP3
microsoft office for mac 2011
microsoft excel 2010 SP1 (32-bit editions)
microsoft word web app 2010 Service Pack 2
microsoft word web app 2010 Service Pack 1
microsoft excel 2010 SP2 (64-bit editions)
microsoft sharepoint server 2010 SP2
microsoft excel 2013 RT
microsoft excel web app 2010 Service Pack 1
microsoft excel 2010 SP2 (32-bit editions)
microsoft excel 2003 SP3
microsoft excel 2013 (64-bit editions)
microsoft sharepoint server 2007 for 64-bit SP3
microsoft excel 2007 SP3

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