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  3. Microsoft Excel Malformed Object CVE-2011-1986 Remote Code Execution Vulnerability

Microsoft Excel Malformed Object CVE-2011-1986 Remote Code Execution Vulnerability

Risk

High

Date Discovered

September 13, 2011

Description

Microsoft Excel is prone to a remote code-execution vulnerability. Attackers could exploit this issue by enticing victims to open a maliciously crafted Excel file. Successful exploits will allow attackers to execute arbitrary code with the privileges of the user running the application.

Technologies Affected

  • Microsoft Excel 2003
  • Microsoft Excel 2003 SP1
  • Microsoft Excel 2003 SP2
  • Microsoft Excel 2003 SP3

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.

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.
The vendor has released an update. Please see the references for details.

Credits

An anonymous researcher working with VeriSign iDefense Labs
Copyright © Symantec Corporation.
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Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
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