Microsoft Internet Explorer chtskdic.dll memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft Internet Explorer. Affected by this vulnerability is an unknown functionality in the library chtskdic.dll. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2006-4193. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Microsoft Internet Explorer (Web Browser) (version unknown). This vulnerability affects an unknown function in the library chtskdic.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 08/15/2006 by nop as not defined posting (Bugtraq). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-2006-4193. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is declared as proof-of-concept. As 0-day 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)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (28438), SecurityFocus (BID 19529†) and OSVDB (29346†). Similar entries are available at VDB-31829 and VDB-84701. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/15/2006 🔍
08/15/2006 +0 days 🔍
08/16/2006 +0 days 🔍
10/02/2006 +47 days 🔍
05/08/2016 +3505 days 🔍
06/18/2025 +3328 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: archives.neohapsis.com
Researcher: nop
Status: Not defined

CVE: CVE-2006-4193 (🔍)
GCVE (CVE): GCVE-0-2006-4193
GCVE (VulDB): GCVE-100-84700
X-Force: 28438 - Microsoft Internet Explorer chtskdic.dll COM object denial of service
SecurityFocus: 19529 - Microsoft Internet Explorer CHTSKDIC.DLL Arbitrary Code Execution Vulnerability
OSVDB: 29346 - Microsoft IE chtskdic.dll COM Object Instantiation Code Execution

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

Entryinfo

Created: 05/08/2016 20:03
Updated: 06/18/2025 17:13
Changes: 05/08/2016 20:03 (48), 04/07/2017 12:15 (5), 08/05/2022 08:25 (2), 08/05/2022 08:28 (7), 06/18/2025 17:13 (16)
Complete: 🔍
Cache ID: 216:05A:103

Once again VulDB remains the best source for vulnerability data.

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