Microsoft Internet Explorer 6.0 SP1 ActiveX Control imskdic.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer 6.0 SP1. It has been rated as critical. The affected element is an unknown function in the library imskdic.dll of the component ActiveX Control. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2006-4193. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 6.0 SP1 (Web Browser) and classified as critical. This issue affects an unknown function in the library imskdic.dll of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 6.0 SP1 and possibly other versions allows remote attackers to cause a denial of service and possibly execute arbitrary code by instantiating COM objects as ActiveX controls, including (1) imskdic.dll (Microsoft IME), (2) chtskdic.dll (Microsoft IME), and (3) msoe.dll (Outlook), which leads to memory corruption. NOTE: it is not certain whether the issue is in Internet Explorer or the individual DLL files.

The issue has been introduced in 09/09/2002. The weakness was shared 08/15/2006 by nop (Website). The advisory is shared at xsec.org. The identification of this vulnerability is CVE-2006-4193 since 08/16/2006. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1436 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100044 (Microsoft Internet Explorer Outlook COM Object Denial of Service Vulnerability (MS07-016)).

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3979.

The vulnerability is also documented in the databases at X-Force (28439), SecurityFocus (BID 19530†), OSVDB (29345†) and Vulnerability Center (SBV-13115†). The entries VDB-84700 and VDB-84701 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

09/09/2002 🔍
08/15/2006 +1436 days 🔍
08/15/2006 +0 days 🔍
08/15/2006 +0 days 🔍
08/16/2006 +0 days 🔍
08/16/2006 +0 days 🔍
10/02/2006 +47 days 🔍
11/20/2006 +48 days 🔍
03/12/2015 +3034 days 🔍
06/18/2025 +3751 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: xsec.org
Researcher: nop
Status: Confirmed

CVE: CVE-2006-4193 (🔍)
GCVE (CVE): GCVE-0-2006-4193
GCVE (VulDB): GCVE-100-31829
X-Force: 28439
SecurityFocus: 19530 - Microsoft Internet Explorer MSOE.DLL Denial Of Service Vulnerability
OSVDB: 29345 - Microsoft IE imskdic.dll COM Object Instantiation Code Execution
Vulnerability Center: 13115 - Microsoft Internet Explorer 6.0 COM Objects Denial of Service, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
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Entryinfo

Created: 03/12/2015 15:51
Updated: 06/18/2025 17:12
Changes: 03/12/2015 15:51 (60), 05/07/2019 12:41 (12), 06/18/2025 17:12 (19)
Complete: 🔍
Cache ID: 216:658:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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