RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows remote malicious users to execute arbitrary code on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of recovery volumes. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21233.
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Users of the popular WinRAR compression and archiving tool should update now to avoid a vulnerability that allows code to be run when a user opens a RAR file. WinRAR is one of the many apps available for compressing and packaging multiple files together for distribution or archiving, and is claimed as the world’s most popular compression tool with over 500 million users worldwide. Those half a billion users represent a tempting target for any malware creator who might craft an exploit to take ...
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