December 9, 2008
Microsoft Windows is prone to a remote code-execution vulnerability because Windows Explorer fails to correctly free memory when saving the Windows Search saved-search files. Attackers may exploit this issue by enticing victims into opening and saving a maliciously crafted saved-search file. Successful exploits may allow attackers to execute arbitrary code with the privileges of the user running the application. Failed exploit attempts will likely result in denial-of-service conditions. This issue affects Windows Vista and Windows Server 2008. NOTE: Supported editions of Windows Server 2008 are not affected if installed using the Server Core installation option.
- Microsoft Windows Server 2008 for 32-bit Systems
- Microsoft Windows Server 2008 for Itanium-based Systems
- Microsoft Windows Server 2008 for x64-based Systems
- Microsoft Windows Vista
- Microsoft Windows Vista Business 64-bit edition
- Microsoft Windows Vista Business 64-bit edition SP1
- Microsoft Windows Vista Business
- Microsoft Windows Vista Business SP1
- Microsoft Windows Vista Enterprise 64-bit edition
- Microsoft Windows Vista Enterprise 64-bit edition SP1
- Microsoft Windows Vista Enterprise
- Microsoft Windows Vista Enterprise SP1
- Microsoft Windows Vista Home Basic 64-bit edition
- Microsoft Windows Vista Home Basic 64-bit edition SP1
- Microsoft Windows Vista Home Basic
- Microsoft Windows Vista Home Basic SP1
- Microsoft Windows Vista Home Premium 64-bit edition
- Microsoft Windows Vista Home Premium 64-bit edition SP1
- Microsoft Windows Vista Home Premium
- Microsoft Windows Vista Home Premium SP1
- Microsoft Windows Vista SP1
- Microsoft Windows Vista Ultimate 64-bit edition
- Microsoft Windows Vista Ultimate 64-bit edition SP1
- Microsoft Windows Vista Ultimate
- Microsoft Windows Vista Ultimate SP1
- Microsoft Windows Vista x64 Edition
- Microsoft Windows Vista x64 Edition SP1
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. Please see the references for details.
Andre Protas of eEye Digital Security
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