Date: Mon, 1 May 2017 18:54:44 +0200 From: Jakub Wilk <jwilk@...lk.net> To: oss-security@...ts.openwall.com Subject: RuboCop: insecure use of /tmp RuboCop stores cache files in /tmp/$UID/rubocop_cache/. There are no ownership checks, so a malicious local users could exploit this to tamper with cache files belonging to other users. Upstream bug report: https://github.com/bbatsov/rubocop/issues/4336 I've attached PoC exploit. -- Jakub Wilk View attachment "rubocop-cache-exploit" of type "text/plain" (727 bytes)
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