VDB-32055 · CVE-2006-4494 · BID 19572

Microsoft Visual Studio 6.0 tcprops.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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6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Visual Studio 6.0. Affected by this issue is some unknown functionality in the library tcprops.dll. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2006-4494. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Microsoft Visual Studio 6.0 (Programming Tool Software). It has been classified as critical. This affects some unknown functionality in the library tcprops.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Visual Studio 6.0 allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code by instantiating certain Visual Studio 6.0 ActiveX COM Objects in Internet Explorer, including (1) tcprops.dll, (2) fp30wec.dll, (3) mdt2db.dll, (4) mdt2qd.dll, and (5) vi30aut.dll.

The weakness was published 08/31/2006 (Website). It is possible to read the advisory at xsec.org. This vulnerability is uniquely identified as CVE-2006-4494 since 08/31/2006. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

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 vulnerability database at SecurityFocus (BID 19572†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
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
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/08/2006 🔍
08/31/2006 +23 days 🔍
08/31/2006 +0 days 🔍
08/31/2006 +0 days 🔍
03/12/2015 +3115 days 🔍
09/25/2017 +928 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: xsec.org
Status: Not defined

CVE: CVE-2006-4494 (🔍)
GCVE (CVE): GCVE-0-2006-4494
GCVE (VulDB): GCVE-100-32055
SecurityFocus: 19572 - Microsoft Internet Explorer Visual Studio COM Object Instantiation Denial of Service Vulnerability

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

Entryinfo

Created: 03/12/2015 15:51
Updated: 09/25/2017 11:32
Changes: 03/12/2015 15:51 (53), 09/25/2017 11:32 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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