var-200504-0129
Vulnerability from variot

Microsoft Visual C++, Microsoft WinDbg, and OllyDbg are very popular debuggers. An access validation vulnerability exists in the implementation of these debuggers, which allows the user of the debugger to execute arbitrary code on the host. The cause is that the affected application cannot ensure that the code being checked is running in a restricted environment. If a non-armed user attempts to debug an attacker-provided executable, the malicious code in the containing library is run in an uncontrolled manner in the debugger's environment. This vulnerability allows a remote attacker to execute arbitrary code in an environment that is affected by the debugger. Due to the security nature expected of the debugger, even very careful users can suffer. Other debuggers are also likely affected, as the underlying operating system design makes it very difficult to avoid this vulnerability

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