Heap-based buffer overflow in Microsoft Internet Explorer - CVE-2006-4446
Published: December 7, 2016
Vulnerability identifier: #VU1223
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2006-4446
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Microsoft
Affected software:
Microsoft Internet Explorer
Microsoft Internet Explorer
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow in DirectAnimation.PathControl ActiveX control (daxctle.ocx) when handling unexpected input. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
How to mitigate CVE-2006-4446
Install updates from vendor's website:
- Microsoft Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 Service Pack 1 on Windows 2000 Service Pack 4 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Service Pack 2 — Download the update
- Microsoft Internet Explorer 6 for Windows XP Professional x64 Edition — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems — Download the update
- Microsoft Internet Explorer 6 for Windows Server 2003 x64 Edition — Download the update