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AUSCERT External Security Bulletin Redistribution
ESB-2013.0195
Vulnerability in Windows Client/Server Run-time Subsystem
(CSRSS) Could Allow Elevation of Privilege (2790113)
13 February 2013
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AusCERT Security Bulletin Summary
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Product: Microsoft Windows Client/Server Run-time Subsystem (CSRSS)
Publisher: Microsoft
Operating System: Windows 7
Windows Server 2008 R2
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2013-0076
Original Bulletin:
http://technet.microsoft.com/en-us/security/bulletin/MS13-019
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Microsoft Security Bulletin MS13-019 - Important
Vulnerability in Windows Client/Server Run-time Subsystem (CSRSS) Could Allow
Elevation of Privilege (2790113)
Published Date: February 12, 2013
Version: 1.0
General Information
Executive Summary
This security update resolves a publicly disclosed vulnerability in Microsoft
Windows. The vulnerability could allow elevation of privilege if an attacker
logs on to a system and runs a specially crafted application. An attacker must
have valid logon credentials and be able to log on locally to exploit this
vulnerability.
This security update is rated Important for all supported editions of Windows
7 and Windows 2008 R2.
Affected Software
Windows 7 for 32-bit Systems (KB2790113)
Windows 7 for 32-bit Systems Service Pack 1 (KB2790113)
Windows 7 for x64-based Systems (KB2790113)
Windows 7 for x64-based Systems Service Pack 1 (KB2790113)
Windows Server 2008 R2 for x64-based Systems (KB2790113)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (KB2790113)
Windows Server 2008 R2 for Itanium-based Systems (KB2790113)
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (KB2790113)
Windows Server 2008 R2 for x64-based Systems (Server Core installation)
(KB2790113)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core
installation) (KB2790113)
Vulnerability Information
Reference Count Vulnerability - CVE-2013-0076
An elevation of privilege vulnerability exists when the Windows CSRSS
improperly handles objects in memory. An attacker who successfully exploited
this vulnerability could run arbitrary code in the context of the local system.
An attacker could then install programs; view, change, or delete data; or
create new accounts with full user rights.
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