Technical Description

Multiple vulnerabilities have been identified in various Kaspersky products, which could be exploited by attackers or malware to take complete control of an affected system or disclose sensitive information.

The first issue is caused by input validation errors in the "AxKLProd60.dll" and "AxKLSysInfo.dll" ActiveX controls when processing arguments passed to certain methods (e.g. StartUploading), which could be exploited by attackers to retrieve or delete arbitrary files from a vulnerable system by tricking a user into visiting a specially crafted web page.

The second vulnerability is caused by a heap overflow error in the OnDemand Scanner when parsing malformed ARJ archives via the "arj.ppl" module, which could be exploited by attackers to execute arbitrary commands e.g. by sending an email containing a malicious file to a system being protected by a vulnerable application.

The third issue is caused by an integer overflow error in the hook function for the "_NtSetValueKey()" function when handling a large unsigned value for the data size argument, which could be exploited by attackers to execute arbitrary code with elevated privileges.

The fourth vulnerability is caused by an error in the "klif.sys" driver, which could be exploited by malicious users to execute arbitrary commands with Ring-0 privileges.

Credits

Vulnerabilities reported by the vendor, Peter Vreugdenhil, iDefense Labs and ZDI.

ChangeLog

2007-04-05 : Initial release

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