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April 2006 report.: msg#00008

Subject: April 2006 report.
  Since the only advisory of the month has gone out I'll
 tell you what I've been doing.

  Inspired by Javiers regular tmpfile problems I decided to
 look at all the packages containing a file in /etc/cron.d
 and /etc/cron.daily.

  Looking for these via the packages.debian.org page was
 simple enough and there were about two pages of results
 for each search.

  I got the source to each of them and looked for tmpfile
 problems in the cron-scripts themselves, rather than the
 actual packages, and got one hit:

    test -x /usr/sbin/fcheck && if ! /usr/sbin/fcheck -asxrf
      /etc/fcheck/fcheck.cfg >/var/tmp/fcheck.out ...

  '/var/tmp/fcheck.out' could be created as a symbolic
 link to corrupt/touch arbitary files upon the system.

  No other bugs found, but if anybody wishes to see if I
 missed one or two feel free.  It was a simple job to look
 at each package in turn and only took me two nights all
 told.

Steve
-- 
# The Debian Security Audit Project.
http://www.debian.org/security/audit


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