Date: 15 August 2012
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AUSCERT External Security Bulletin Redistribution
Vulnerability in Microsoft Exchange Server WebReady Document
Viewing Could Allow Remote Code Execution (2740358)
15 August 2012
AusCERT Security Bulletin Summary
Product: Microsoft Exchange
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
CVE Names: CVE-2012-2525
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Microsoft Security Bulletin MS12-058 - Critical
Vulnerability in Microsoft Exchange Server WebReady Document Viewing Could
Allow Remote Code Execution (2740358)
Published Date: August 14, 2012
This security update resolves a publicly disclosed vulnerability in Microsoft
Exchange Server WebReady Document Viewing. The vulnerability could allow remote
code execution in the security context of the transcoding service on the
Exchange server if a user previews a specially crafted file using Outlook Web
App (OWA). The transcoding service in Exchange that is used for WebReady
Document Viewing is running in the LocalService account. The LocalService
account has minimum privileges on the local computer and presents anonymous
credentials on the network.
This security update is rated Critical for all supported editions of Microsoft
Exchange Server 2007 and Microsoft Exchange Server 2010. For more information,
see the subsection, Affected and Non-Affected Software, in this section.
Microsoft Exchange Server 2007 Service Pack 3
Microsoft Exchange Server 2010 Service Pack 1
Microsoft Exchange Server 2010 Service Pack 2
Oracle Outside In Libraries Remote Code Execution Vulnerability - CVE-2012-2525
A remote code execution vulnerability exists in Microsoft Exchange Server
through the WebReady Document Viewing feature. The vulnerability could allow
remote code execution as Local System if a user views a specially crafted file
through Outlook Web Access in a browser. An attacker who successfully
exploited the vulnerability could run code on the affected server, but only as
LocalService. The LocalService account has minimum privileges on the local
computer and presents anonymous credentials on the network.
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