Test ID:	1.3.6.1.4.1.25623.1.0.801150
Category:	Denial of Service
Title:	Yahoo! Messenger 'YahooBridgeLib.dll' ActiveX Control DoS Vulnerability
Summary:	Yahoo! Messenger is prone to a denial of service (DoS); vulnerability.
Description:	Summary: Yahoo! Messenger is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: The flaw is due to a NULL pointer dereference error in 'RegisterMe()' method in 'YahooBridgeLib.dll', which can be exploited by causing the victim to visit a specially crafted web page. Vulnerability Impact: Successful exploitation will allow remote attackers to cause Denial of Service condition on the affected application. Affected Software/OS: Yahoo! Messenger version 9.x to 9.0.0.2162 on Windows. Solution: Upgrade to Yahoo! Messenger version 10.0.0.1270 or later CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2009-4171 BugTraq ID: 37007 http://www.securityfocus.com/bid/37007 Bugtraq: 20091112 Yahoo Messenger 9 ActiveX DoS (Null Pointer) Vulnerability (Google Search) http://www.securityfocus.com/archive/1/507818/100/0/threaded XForce ISS Database: yahoo-messenger-activex-dos(54263) https://exchange.xforce.ibmcloud.com/vulnerabilities/54263
Copyright	Copyright (C) 2009 Greenbone AG

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