The mailSend function in the isMail transport in PHPMailer before...

Vulnerability Description

The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.

References

• http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html
• https://www.drupal.org/psa-2016-004
• https://www.exploit-db.com/exploits/42221/
• https://www.exploit-db.com/exploits/40969/
• https://www.exploit-db.com/exploits/41962/
• https://www.exploit-db.com/exploits/40968/
• https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html
• https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18
• http://www.securityfocus.com/archive/1/539963/100/0/threaded
• https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities
• http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html
• https://www.exploit-db.com/exploits/40974/
• https://www.exploit-db.com/exploits/40986/
• https://www.exploit-db.com/exploits/40970/
• http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection
• https://www.exploit-db.com/exploits/41996/
• http://seclists.org/fulldisclosure/2016/Dec/78
• http://www.securityfocus.com/bid/95108
• http://www.securitytracker.com/id/1037533
• https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html
• https://www.exploit-db.com/exploits/42024/