A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of McAfee Security-as-a-Service. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaws exists within myCIOScn.dll. First, the MyCioScan.Scan.ReportFile parameter exposed via ActiveX can be set to any arbitrary filename including sensitive system files and directories. Secondly, the parameter to the MyCioScan.Scan.Start() method can be carefully crafted as to inject script constructs into the log file written at the end of the AV scan. The combination of these flaws can be leveraged by a remote attacker to execute arbitrary code under the context of the user running the browser.
da25125b8a4c24cdfa0e310ed27a2faa3d170cbf5b6597081722225283f2eb80A vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of McAfee Security-as-a-Service. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaws exist within the MyAsUtil5.2.0.603.dll which exposes an ActiveX control. First, XSS can be used to bypass the domain execution policy implemented in MyASUtil.SecureObjectFactory.CreateSecureObject() to create an instance of MyASUtil.InstallInfo. Then, MyASUtil.InstallInfo.RunUserProgram() can be used to execute code on the user's system. Additionally, many other objects and interfaces on the user's system can likely be abused using this general mechanism.
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