Re: Group permissions changed

From: joop gerritse (jjge_at_xs4all.nl)
Date: 09/29/05

  • Next message: Glynn Clements: "Re: Group permissions changed"
    To: focus-linux@securityfocus.com
    Date: Thu, 29 Sep 2005 21:43:03 +0200
    
    

    On Wednesday 28 September 2005 20:33, sf_submit@yahoo.com wrote:
    > I posted this before on the security basics, but haven't recieved a
    > response, and it worries me a bit, so I'm sending this to a few other
    > groups in hopes that someone will have an idea about it.
    >
    > ---
    >
    > Fairly recently I noticed my ftp client wouldn't list files in certain
    > directories on my server anymore - so I ssh'd in (it's dedicated), and did
    > a ls -aFl on the files, hoping to see what the problem was - here are a few
    > of the results:
    >
    > -rw-r--r-- 1 larry 503 371 2005-02-25 08:36 head.php
    > -rw-r--r-- 1 larry 48 873 2005-09-09 03:23 foot.php
    >
    > I never set the group ids to 503 or 48, so I checked just to make sure -
    > and no groups with those ids even exist. Is there an exploit/tool that
    > causes this, and should I be worried?

    I seem to remember that tar preserves group numbers when unpacking an archive,
    but I cannot check it right now.

    -- 
    Joop Gerritse
    Mühlenstraße 11
    D-47546 Kalkar-Wissel
    Germany
    +49 2824 971487
    http://www.jjge.nl
    

  • Next message: Glynn Clements: "Re: Group permissions changed"

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