Zero-day vulnerability in Microsoft Internet Explorer

Heap-based buffer overflow
CVE-2006-4446

Vulnerability details

Advisory: SB2006091403 - Multiple vulnerabilities in Microsoft Internet Explorer

Vulnerable component: Microsoft Internet Explorer

CVE-ID: CVE-2006-4446

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption

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.

Public Exploits:

- Microsoft Internet Explorer 5.0.1 - Daxctle.OCX Spline Method Heap Buffer Overflow [Exploit-DB]

External links:

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

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.