Upgrade to 5.70 ASAP

https://www.ghacks.net/2019/02/21/winrar-has-...
e-fix/

WinRAR has a critical security bug: here is the fix
by Martin Brinkmann on February 21, 2019 in Security - 33 comments
WinRAR is a very popular software to create and extract archives on Windows and
 other 
supported operating systems. Part of its popularity comes from its support for
different 
types of packing formats, another that the software's trial version never
expires.

A bug was discovered recently that affects all versions of WinRAR prior to
5.70. The bug, 
a remote code execution vulnerability, affects all WinRAR versions and thus all
 500 
million users that use the application.

Security researchers discovered a flaw in a library that WinRAR uses to extract
 files from 
archives packed with the ACE format.

Attackers can exploit the vulnerability by pushing specially prepared archives
to user 
systems. The bug can be abused to extract the files into any folder on the
system 
instead of the folder selected by the user or the default folder for extracted
files. 
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