Re: apache problem

From: Bob Johnson (stest032at_private)
Date: Tue Oct 15 2002 - 16:10:31 PDT

  • Next message: Homer Wilson Smith: "Re: apache problem"

    On Tuesday 15 October 2002 09:53 am, cory appears to have written:
    > This is a DoS from the chunk encoding exploits produced earlier this
    > year.
    >
    > http://httpd.apache.org/info/security_bulletin_20020617.txt
    >
    
    Except that bulletin is obsolete.  Read this one instead:
    
    http://httpd.apache.org/info/security_bulletin_20020620.txt
    
    It is exploitable on 32-bit platforms.  
    
    - Bob
    
    > cheers,
    > loon
    >
    > Andre Guimaraes wrote:
    > >Hi all,
    > >
    > >I have one webserver dedicated for a client communication running
    > > apache 1.3.22-6 on linux red hat 7.3 and almost unused. Today the
    > > machine had no memory or swap left (1 gig memory,512 meg swap).
    > > Analyzing the error logs I found this:
    > >
    > >Lots of in /var/log/messages:
    > >Oct 12 20:31:24 web01 kernel: Out of Memory: Killed process 1023
    > > (httpd). Oct 12 20:31:52 web01 kernel: Out of Memory: Killed
    > > process 1016 (httpd). Oct 12 20:32:22 web01 kernel: Out of Memory:
    > > Killed process 1020 (httpd). Oct 12 20:34:04 web01 kernel: Out of
    > > Memory: Killed process 1026 (httpd). Oct 12 20:34:53 web01 kernel:
    > > Out of Memory: Killed process 1025 (httpd). Oct 12 20:35:55 web01
    > > kernel: Out of Memory: Killed process 1031 (httpd).
    > >
    > >Lots of this in error log:
    > >[Sat Oct 12 20:41:44 2002] [error] child process 1227 still did not
    > > exit, sending a SIGKILL
    > >[Sat Oct 12 20:41:44 2002] [error] child process 1228 still did not
    > > exit, sending a SIGKILL
    > >[Sat Oct 12 20:41:46 2002] [error] could not make child process 1072
    > > exit, attempting to continue anyway
    > >[Sat Oct 12 20:41:46 2002] [error] could not make child process 1080
    > > exit, attempting to continue anyway
    > >
    > >Few minutes before in error log:
    > >[Sat Oct 12 20:16:19 2002] [error] [client 217.223.216.186] client
    > > sent HTTP/1.1 request without hostname (see RFC2616 section 14.23):
    > > /
    > >
    > >[Sat Oct 12 20:21:09 2002] [error] [client 207.99.78.36] request
    > > failed: erroneous characters after protocol string: CONNECT
    > > maila.microsoft.com:25 / HTTP/1.0
    > >
    > >This connect maila looks like someone trying to find some kind of
    > > proxy. What about the empty hostname? I cant figure out why that
    > > happened.
    > >
    > >Thanks
    
    
    
    ----------------------------------------------------------------------------
    This list is provided by the SecurityFocus ARIS analyzer service.
    For more information on this free incident handling, management 
    and tracking system please see: http://aris.securityfocus.com
    



    This archive was generated by hypermail 2b30 : Wed Oct 16 2002 - 16:04:45 PDT