Webex Communications Downloader Java prior 2.1.0.0 ActiveX Control input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.0 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Webex Communications Downloader Java. This issue affects some unknown processing of the component ActiveX Control. The manipulation results in input validation. This vulnerability is known as CVE-2006-3423. No exploit is available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Webex Communications Downloader Java (Programming Language Software). It has been classified as critical. Affected is an unknown functionality of the component ActiveX Control. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
WebEx Downloader ActiveX Control and WebEx Downloader Java before 2.1.0.0 do not validate downloaded components, which allows remote attackers to execute arbitrary code via a website that activates the GpcUrlRoot and GpcIniFileName ActiveX controls to cause the client to download a DLL file.
The bug was discovered 07/06/2006. The weakness was published 07/06/2006 by David Dewey and Mark Dowd with ISS X-Force (Website). The advisory is shared for download at secunia.com. This vulnerability is traded as CVE-2006-3423 since 07/06/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22047 (WebEx Downloader ActiveX Control Command Injection), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115373 (WebEx ActiveX Control DLL Remote Code Execution Vulnerability).
Upgrading to version 2.1.0.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4274.
The vulnerability is also documented in the databases at X-Force (24370), Tenable (22047), SecurityFocus (BID 18860†), OSVDB (27039†) and Secunia (SA20956†). Similar entries are available at VDB-31201 and VDB-84235. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.0
VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 22047
Nessus Name: WebEx Downloader ActiveX Control Command Injection
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Downloader Java 2.1.0.0
TippingPoint: 🔍
ISS Proventia IPS: 🔍
Timeline
07/06/2006 🔍07/06/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/06/2006 🔍
07/07/2006 🔍
07/07/2006 🔍
07/14/2006 🔍
07/18/2006 🔍
03/12/2015 🔍
06/21/2025 🔍
Sources
Advisory: secunia.com⛔Researcher: David Dewey, Mark Dowd
Organization: ISS X-Force
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2006-3423 (🔍)
GCVE (CVE): GCVE-0-2006-3423
GCVE (VulDB): GCVE-100-31200
X-Force: 24370
SecurityFocus: 18860 - WebEx ActiveX Multiple Remote Code Execution Vulnerabilities
Secunia: 20956 - WebEx Downloader Plug-in Multiple Vulnerabilities, Highly Critical
OSVDB: 27039 - WebEx Downloader Plug-in ActiveX/Java Source Subversion Arbitrary Program Execution
SecurityTracker: 1016446
Vulnerability Center: 12309 - Cisco WebEx Downloader ActiveX Control and WebEx Downloader Java Remote Code Execution, Medium
Vupen: ADV-2006-2688
See also: 🔍
Entry
Created: 03/12/2015 14:25Updated: 06/21/2025 17:50
Changes: 03/12/2015 14:25 (84), 06/22/2019 16:39 (1), 06/21/2025 17:50 (18)
Complete: 🔍
Cache ID: 216::103
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