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Thread: Linux targeted by vulnerability?

  1. #1
    Very good friend of the forum Virchanza's Avatar
    Join Date
    Jan 2010

    Default Linux targeted by vulnerability?

    (I meant to write "targeted by exploit" but I can't change it now!)

    I went to bed lastnight with my laptop running Ubuntu and the following programs:

    Firefox web browser
    Seamonkey web browser
    Thunderbird e-mail manager
    VLC media player

    VLC was playing an audio clip on repeat throughout the night.

    When I woke up, the audio clip was no longer playing... in fact all that was on the screen was my desktop wallpaper, nothing else. No desktop icons, no panels, nothing. I pressed ALT+TAB to see if I could get at any open programs but it had no effect.

    So I did Ctrl+Alt+F1 to get to a terminal. From there I did "shutdown -r now".

    When my laptop booted back up into Ubuntu, everything worked fine. But I noticed an extra launcher on my panel, a little icon of the Earth. If clicked, the launcher opened up a web browser to an adult site.

    I certainly didn't put that launcher there......... so I can only figure that there was a vulnerability exploited in Firefox or Seamonkey (given that these were the only 2 programs accessing the internet). I suppose there's also a chance that a background service such as Update Manager was targeted.

    I'm not saying it's strange that a vulnerability was found in a web browser, but this is the first time I've seen Ubuntu targeted so precisely. Who knows what else the exploit code did, maybe it copied all my saved passwords from Firefox too?

    Anyone else here ever seen Linux targeted like this?

    Anyone got any advice to figure out what exacty went wrong? How can I investigate the root cause of the crash, and possibly investigate what the hell happened?
    Last edited by Virchanza; 05-06-2011 at 04:15 PM.
    Ask questions on the open forums, that way everybody benefits from the solution, and everybody can be corrected when they make mistakes. Don't send me private messages asking questions that should be asked on the open forums, I won't respond. I decline all "Friend Requests".

  2. #2
    Just burned his ISO
    Join Date
    Dec 2010

    Default Re: Linux targeted by vulnerability?

    Ok you said laptop so I'm guessing its using wireless right??
    Its also possible that someone was war driving around your house and maybe cracked your wifi password and got direct IP level access to your ubuntu laptop over your network (this would be an easier exploit then over then internet) and from there found an unpatched application and exploited it?

    Was your ubuntu laptop all up to data??

    Also you could try check /var/logs/ and check the logs for various services and maybe find out what they did. Also check your router firewall log if you have one.

  3. #3
    Good friend of the forums comaX's Avatar
    Join Date
    Feb 2010
    Paris, France

    Default Re : Linux targeted by vulnerability?

    This not very BT related and I don't really know Ubuntu but I believe there are log files, so you should check them to know what happened !
    Running both KDE and GNOME BT5 flawlessly. Thank you !

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