Microsoft Agent .ACF file buffer overflow
| ms-agent-acf-bo (29945) |  High Risk |
Description:
Microsoft Windows is vulnerable to a buffer overflow, caused by improper bounds checking by the Microsoft Agent. By creating a specially-crafted .ACF file, a remote attacker could overflow a buffer and execute arbitrary code on the system with privileges of the victim. An attacker could exploit this vulnerability by hosting the malicious page on a Web site or sending it to a victim as an email attachment.
Platforms Affected:
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server Itanium
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows XP SP2
- Microsoft, Windows XP Professional x64
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS06-068. See References.
Consequences:
Gain Access
References:
- Full-Disclosure Mailing List, Tue Jan 30 2007 - 01:56:59 CST, COSEINC Alert: Microsoft Agent Heap Overflow Vulnerability Technical Details (Patched) at http://archives.neohapsis.com/archives/fulldisclosure/2007-01/0562.html.
- Microsoft Security Bulletin MS06-068, Vulnerability in Microsoft Agent Could Allow Remote Code Execution (920213) at http://www.microsoft.com/technet/security/bulletin/ms06-068.mspx.
- ASA-2006-253: Microsoft Security Bulletin Summary for November 2006 (MS06-66 - MS06-71)
- BID-21034: Microsoft Agent ActiveX Control Remote Code Execution Vulnerability
- CVE-2006-3445: Integer overflow in the ReadWideString function in agentdpv.dll in Microsoft Agent on Microsoft Windows 2000 SP4, XP SP2, and Server 2003 up to SP1 allows remote attackers to execute arbitrary code via a large length value in an .ACF file, which results in a heap-based buffer overflow.
- SA22878: Microsoft Windows Agent ActiveX Control Buffer Overflow
- SECTRACK ID: 1017222: Microsoft Agent `.ACF` File Memory Corruption Error Lets Remote Users Execute Arbitrary Code
- US-CERT VU#810772: Microsoft Agent fails to properly handle specially crafted .ACF files
- VUPEN/ADV-2006-4506: Microsoft Windows Agent ACF File Handling Code Execution Vulnerability (MS06-068)
Reported:
Nov 14, 2006
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