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Message-ID: <20171031133559.7aqu2z45atxudb7c@jwilk.net>
Date: Tue, 31 Oct 2017 14:35:59 +0100
From: Jakub Wilk <jwilk@...lk.net>
To: oss-security@...ts.openwall.com
Subject: Re: Fw: Security risk of vim swap files
There's another problem with vim swapfiles.
If you edit a file directly in /tmp, vim will happily read a swapfile
that were planted there by somebody else. Local users could exploit this
for denial of service (or maybe worse if there are any swapfile parsing
bugs...).
Is that a bug in vim? Or is it a user error to edit file directly in
/tmp?
In the latter case, we should fix at least vipe(1) and vidir(1) from
moreutils; and run-mailcap(1).
--
Jakub Wilk
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