An integer overflow vulnerability exists in the Libarchive library included in Microsoft Windows. The vulnerability is due to insufficient bounds checks on the block length of a RARVM filter used for Intel E8 preprocessing, included in the compressed data of a RAR archive.
A remote attacker could exploit this vulnerability by enticing a target user into extracting a crafted RAR archive. Successful exploitation could result in arbitrary code execution in the context of the application using the vulnerable library.
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Source: Zero Day Initiative
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