#VU1222 Heap-based buffer overflow in Microsoft Internet Explorer - CVE-2006-4777
Published: December 7, 2016 / Updated: October 9, 2021
Vulnerability identifier: #VU1222
Vulnerability risk: Critical
CVSSv4.0: 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-2006-4777
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Microsoft Internet Explorer
Microsoft Internet Explorer
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to heap-based buffer overflow within DirectAnimation Path 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.
Remediation
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