Crucial Flaws Discovered in Yahoo! IM
By: Priyanka Pradhan
| Jun 08, 2007
Researchers at eEye Digital Security are reporting multiple vulnerabilities in Yahoo! Messenger, which can be used to remotely execute code. These vulnerabilities have reportedly come from Active X controls, installed in a computer.
A Yahoo! spokesperson confirmed the company is looking into a buffer overflow issue in an Active X control. The company also said the vulnerabilities, which have obtained a rating of "high" by eEye Digital Security, were reported to Yahoo! on June 5 but are not known to have been exploited. Version 8.x of Yahoo! instant messaging (IM) client is at risk.
In addition, officials from security research firm Secunia say, a boundary error within the Yahoo! Webcam Upload (ywcupl.dll) ActiveX control can be exploited to cause a stack-based buffer overflow by assigning an overly long string to the 'Server' property and then calling the 'Send()' or ' Receive ()' method.
A study by Akonix Systems in San Diego (May 2007), a provider of instant messaging security and compliance products, uncovered 170 IM threats—an increase of 73 percent when compared to the number the company found between January and May of 2006.
Read more here.
Tags: [ Yahoo! Messenger ]
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This is an important news and should be known to all users. Please also ensure to report once it is set right. 
EVR Krishnan @ Jun 09, 2007
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