Yahoo! Messenger Two ActiveX Controls Buffer Overflows - Secunia Advisories - Vulnerability Information

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Yahoo! Messenger Two ActiveX Controls Buffer Overflows

Secunia Advisory:

SA25547

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Release Date:

2007-06-07

Last Update:

2007-06-13

Popularity:

27,465 views

Critical:

Extremely critical

Impact:

System access

Where:

From remote

Solution Status:

Vendor Patch

Software:

Yahoo! Messenger 8.x

Binary Analysis:

BA147 :: Available for 1 Credit

BA149 :: Available for 1 Credit

Secunia CVSS-2 Score:

Available in Secunia business solutions

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Advisory Content (Page 1 of 3)

[ 1 ] [ 2 ] [ 3 ]

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Description:
Danny has discovered two vulnerabilities in Yahoo! Messenger, which can be exploited by malicious people to compromise a user's system.

1) 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()" method.

2) A boundary error within the Yahoo! Webcam Viewer (ywcvwr.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 "Receive()" method.

Successful exploitation of the vulnerabilities allows execution of arbitrary code.

The vulnerabilities are confirmed in version 8.1.0.249. Other versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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