#VU1224 Memory corruption in Microsoft Internet Explorer - CVE-2006-4687


Vulnerability identifier: #VU1224

Vulnerability risk: High

CVSSv4.0: 6.1 [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:U/U:Amber]

CVE-ID: CVE-2006-4687

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to memory corruption when handling certain layout combinations during HTML rendering process, which involve DIV tags and HTML CSS float properties. 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.

Mitigation
Install updates from vendor's website:

  • 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

Vulnerable software versions

Microsoft Internet Explorer: 6

External links
https://technet.microsoft.com/library/security/ms06-067

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability


Multiple vulnerabilities in Microsoft Internet Explorer