GMS-2016-121: Downloads Resources over HTTP

December 18, 2016

nw downloads zipped resources over HTTP, It may be possible to cause remote code execution (RCE) by swapping out the requested zip file with an attacker controlled binary if the attacker is on the network or positioned in between the user and the remote server.

References

github.com/nwjs/npm-installer/blob/v0.13.0/scripts/install.js
github.com/nwjs/npm-installer/commit/adb4df1e012d38a3872578d484291b9af07aad5b

Code Behaviors & Features

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