October 14, 2008
Microsoft Excel is prone to a remote code-execution vulnerability. Attackers may exploit this issue by enticing victims into opening a maliciously crafted Excel file. Successful exploits may allow attackers to execute arbitrary code with the privileges of the user running the application.
- Microsoft Excel 2000
- Microsoft Excel 2000 SP2
- Microsoft Excel 2000 SP3
- Microsoft Excel 2000 SR1
- Microsoft Excel 2002
- Microsoft Excel 2002 SP1
- Microsoft Excel 2002 SP2
- Microsoft Excel 2002 SP3
- Microsoft Excel 2003
- Microsoft Excel 2003 SP1
- Microsoft Excel 2003 SP2
- Microsoft Excel 2003 SP3
- Microsoft Excel 2007
- Microsoft Excel 2007 SP1
- Microsoft Excel Viewer 2003
- Microsoft Excel Viewer 2003 SP3
- Microsoft Excel Viewer
- Microsoft Office 2004 for Mac
- Microsoft Office 2008 for Mac
- Microsoft Office Compatibility Pack 2007
- Microsoft Office Compatibility Pack 2007 SP1
- Microsoft Office Excel Viewer 2003 SP3
- Microsoft Open XML File Format Converter for Mac
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.
Implement multiple redundant layers of security.
Various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.
Microsoft has released a security bulletin and fixes to address this vulnerability.
Wushi, working with TippingPoint and the Zero Day Initiative
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