Package: gummi
Version: 0.6.5-3
Severity: normal

I opened a file called thesis.tex in gummi, this created the following
files in /tmp:

-rw-r--r--  1 jak  jak    3196 Jul 29 21:39 .thesis.tex.aux
-rw-r--r--  1 jak  jak   42672 Jul 29 21:39 .thesis.tex.log
-rw-r--r--  1 jak  jak     559 Jul 29 21:39 .thesis.tex.out
-rw-r--r--  1 jak  jak  266755 Jul 29 21:39 .thesis.tex.pdf
-rw-r--r--  1 jak  jak     885 Jul 29 21:39 .thesis.tex.toc

Obviously, this has serious implications for multi-user systems, because
two users editing a file with the same name would write to the same files
in /tmp. 

I'm not sure if there are security implications here if you create symbol
links using those names that an attacker could use to overwrite files
in /home (potentially deleting valuable user information)

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (980, 'unstable'), (500, 'unstable'), (100, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.14-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages gummi depends on:
ii  libc6                  2.19-7
ii  libcairo2              1.12.16-2
ii  libgdk-pixbuf2.0-0     2.30.7-1
ii  libglib2.0-0           2.40.0-3
ii  libgtk2.0-0            2.24.24-1
ii  libgtksourceview2.0-0  2.10.5-1
ii  libgtkspell0           2.0.16-1
ii  libpango-1.0-0         1.36.3-1
ii  libpoppler-glib8       0.26.3-1
ii  zlib1g                 1:1.2.8.dfsg-1

Versions of packages gummi recommends:
ii  texlive-extra-utils  2014.20140717-1
ii  texlive-latex-base   2014.20140717-01
ii  texlive-xetex        2014.20140717-01

gummi suggests no packages.

-- no debconf information

-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.

Be friendly, do not top-post, and follow RFC 1855 "Netiquette".
    - If you don't I might ignore you.


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