gawk bufferoverflow

From: eSDee (eSDeeat_private)
Date: Wed Apr 17 2002 - 10:39:59 PDT

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    Netric Security Team - http://www.netric.org
    by sacrine
    
    GNU Awk 3.1.0 
    Type: Stackoverflow
    Priority: 3
    
    [01] Description
    [02] Proof of concept
    [03] Vendor response
    
    [01] Description
         GNU Awk(gawk) is a pattern scanning and 
    processing language
         and implementation of the AWK programming 
    language
         available at http://www.gnu.org
    
         The stackoverflow is discovered and tested 
    against Gawk 3.1.0
         on redhat 7.2 and slackware 8.0 
         the bug still exist after upgrading to the latest gawk 
    package
        
         the problem: an unchecked buffer in the -f option
    
    [02] Proof of concept
         A proof of concept exploit can be found at:
         http://www.netric.org/advisories/gawk_expl.c
         written by eSDee
    
    [03] Vendor response
         The vendor is informed, but has not responded yet.
        
    



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