[Pkg-mc-devel] [Bug 129133] Re: mc uses predictable temp directory path
maarten.bezemer at gmail.com
Sun Feb 19 01:22:36 UTC 2012
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** Changed in: mc (Ubuntu)
Status: Confirmed => Incomplete
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mc uses predictable temp directory path
Status in “mc” package in Ubuntu:
Binary package hint: mc
The Midnight Commander VirtualFS will expand temporary files (EG:
files in rar, zip, etc) to a temporary directory for operations like
view, edit, copy, etc.
HOWEVER, while my TMP and TEMP are set to a subdir of my home
directory, MC's virtual FS will expand things to a directory named
/tmp/mc-$username -- IGNORING these settings! This causes quite a bit
of trouble when things like /tmp are not writable, and when the /tmp
directory has less space than required for copying the file (which is
a precondition the VirutalFS does *not* test!).
Given the predictable naming and "silent failure" mode of the
VirtualFS when it copies a file too large and fills /tmp, this appears
to be a security bug as well since it could be used to DoS tmp.
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