Microsoft Internet Explorer up to 6 Help ActiveX Control hhctrl.ocx heap-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Internet Explorer up to 6 (Web Browser). It has been declared as critical. This vulnerability affects an unknown code of the file hhctrl.ocx of the component Help ActiveX Control. 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.
The weakness was released 07/04/2006 by H. D. Moore with Rapid7 (Website). The advisory is shared for download at browserfun.blogspot.com. This vulnerability was named CVE-2006-3357 since 07/06/2006. 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 metasploit.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22188 (MS06-046: Vulnerability in HTML Help Could Allow Remote Code Execution (922616)), 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. Attack attempts may be identified with Snort ID 7004. In this case the pattern Internet.HHCtrl.1
is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4581.
The vulnerability is also documented in the databases at X-Force (27573) and Tenable (22188).
Product
Type
Vendor
Name
Version
License
Support
- end of life
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 22188
Nessus Name: MS06-046: Vulnerability in HTML Help Could Allow Remote Code Execution (922616)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: DisableStatus: 🔍
0-Day Time: 🔍
Patch: windowsupdate.microsoft.com
Snort ID: 7004
Snort Message: WEB-ACTIVEX Internet.HHCtrl.1 ActiveX function call access
Snort Pattern: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
07/02/2006 🔍07/02/2006 🔍
07/02/2006 🔍
07/04/2006 🔍
07/04/2006 🔍
07/04/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/07/2006 🔍
08/08/2006 🔍
03/13/2021 🔍
Sources
Vendor: microsoft.comAdvisory: browserfun.blogspot.com
Researcher: H. D. Moore
Organization: Rapid7
Status: Confirmed
CVE: CVE-2006-3357 (🔍)
OVAL: 🔍
X-Force: 27573 - Microsoft Internet Explorer HTML Help HHCtrl ActiveX control buffer overflow, High Risk
SecurityTracker: 1016434 - Microsoft HTML Help Heap Overflow in HHCtrl ActiveX Control May Let Remote Users Execute Arbitrary Code
Vulnerability Center: 12169 - [MS06-046] Internet Explorer HTML Help ActiveX Control (hhctrl.ocx) Vulnerability via Image Field, Medium
SecurityFocus: 18769 - Microsoft Windows HTML Help HHCtrl ActiveX Control Memory Corruption Vulnerability
Secunia: 20906 - Windows HTML Help ActiveX Control Memory Corruption, Highly Critical
OSVDB: 26835 - Microsoft IE HTML Help COM Object Image Property Heap Overflow
Vupen: ADV-2006-2635
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/07/2006 11:14Updated: 03/13/2021 09:33
Changes: 07/07/2006 11:14 (100), 04/07/2017 12:01 (7), 03/13/2021 09:33 (2)
Complete: 🔍
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