Microsoft Internet Explorer up to 6 daxctle.ocx CPathCtl::KeyFrame heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

A vulnerability has been found in Microsoft Internet Explorer up to 6 (Web Browser) and classified as critical. This vulnerability affects the function CPathCtl::KeyFrame of the file daxctle.ocx. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in DirectAnimation.PathControl COM object (daxctle.ocx) in Microsoft Internet Explorer 6.0 SP1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a Spline function call whose first argument specifies a large number of points.

The weakness was disclosed 09/14/2006 by nop (Website). The advisory is available at xsec.org. This vulnerability was named CVE-2006-4446 since 08/29/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known.

It is possible to download the exploit at xsec.org. It is declared as functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 23644 (MS06-067: Cumulative Security Update for Internet Explorer (922760)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. A possible mitigation has been published 3 months after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 8792. In this case the pattern C46C1BC8-3C52-11D0-9200-848C1D000000 is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4760.

The vulnerability is also documented in the databases at X-Force (28608), Tenable (23644) and Exploit-DB (2358). The entries 32277, 33245 and 84652 are pretty similar.

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  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Functional
Download: 🔍

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Nessus ID: 23644
Nessus Name: MS06-067: Cumulative Security Update for Internet Explorer (922760)
Nessus File: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Disable
Status: 🔍

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Patch: windowsupdate.microsoft.com

Snort ID: 8792
Snort Message: WEB-ACTIVEX DirectAnimation.DAPoint2.1 ActiveX CLSID access
Snort Pattern: 🔍

Suricata ID: 2003102
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TippingPoint: 🔍

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Timelineinfo

08/28/2006 🔍
08/28/2006 +0 days 🔍
08/29/2006 +1 days 🔍
08/29/2006 +0 days 🔍
08/29/2006 +0 days 🔍
09/14/2006 +16 days 🔍
09/14/2006 +0 days 🔍
09/18/2006 +3 days 🔍
09/20/2006 +2 days 🔍
11/14/2006 +55 days 🔍
11/14/2006 +0 days 🔍
03/13/2021 +5233 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: xsec.org
Researcher: nop
Status: Not defined

CVE: CVE-2006-4446 (🔍)
OVAL: 🔍

X-Force: 28608 - Microsoft Internet Explorer daxctle.ocx denial of service, Medium Risk
SecurityTracker: 1016764 - Microsoft Internet Explorer (IE) Buffer Overflow in 'daxctle.ocx' ActiveX Control Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 12763 - [MS06-067] Internet Explorer User Assisted Code Execution Vulnerability via Spline Method, Medium
SecurityFocus: 19738 - Microsoft Internet Explorer Daxctle.OCX Spline Method Heap Buffer Overflow Vulnerability
Secunia: 21910 - Internet Explorer Multiple Vulnerabilities, Extremely Critical
OSVDB: 28842 - Microsoft IE daxctle.ocx KeyFrame() Method Overflow

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 09/18/2006 11:23
Updated: 03/13/2021 13:12
Changes: 09/18/2006 11:23 (105), 04/07/2017 12:01 (7), 03/13/2021 13:12 (2)
Complete: 🔍

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