Root shell vixie cron exploit

From: Michal Zalewski (lcamtufat_private)
Date: Mon Jul 05 1999 - 05:20:49 PDT

  • Next message: Michal Zalewski: "Re: Vixie Crontab exploit code"

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    Content-ID: <lcamtuf.4.05.9907051417251.1221at_private>
    
    
    For script kiddiez, here's an exploit for recent vixie-cron vulnerability,
    giving instant root shell. Thought it will help script kiddies, but as
    Martin Schulze included almost step-by-step guide how to abuse Sendmail
    flags, this exploit won't bring anything shocking - simply, it's working
    example.
    
    
    ** Official statement on my hwclock settings: RTC on my mainboard is
    ** broken, and I have no cash to replace it with working one :( Just
    ** execuse me stupid 'Date:' fields in some of my postings...
    
    _______________________________________________________________________
    Michal Zalewski [lcamtufat_private] [link / marchew] [dione.ids.pl SYSADM]
    [Marchew Industries] ! [http://lcamtuf.na.export.pl] bash$ :(){ :|:&};:
    [voice phone: +48 (0) 22 813 25 86] ? [cellular phone: (0) 501 4000 69]
    Iterowac jest rzecza ludzka, wykonywac rekursywnie - boska [P. Deutsch]
    
    
    
    
    
    --8323328-2050531320-931177012=:1221
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