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Highly critical

British Telecommunications webhelper ActiveX Controls Vulnerabilities

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Release Date:  2007-05-30    Last Update:  2007-10-26    Views:  9,890

Secunia Advisory SA25472

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Will Dormann has reported some vulnerabilities in the British Telecommunications Consumer webhelper and Business Connect ActiveX controls, which can be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to multiple, unspecified boundary errors within the British Telecommunications Consumer webhelper ActiveX control (btwebcontrol.dll) and the British Telecommunications Business Connect webhelper ActiveX control (btbconnectwebcontrol.dll). These can be exploited to cause buffer overflows when a user visits a malicious website.

Successful exploitation may allow execution of arbitrary code.


Solution:
Update to Consumer webhelper ActiveX control version 2.0.0.8 or Business Connect webhelper ActiveX control version 1.0.0.7.

Provided and/or discovered by:
Will Dormann, CERT/CC

Original Advisory:
US-CERT VU#210257:
http://www.kb.cert.org/vuls/id/210257

US-CERT VU#686249:
http://www.kb.cert.org/vuls/id/686249

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: British Telecommunications webhelper ActiveX Controls Vulnerabilities

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