CVE-2016-10045 Information

Description

The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code by leveraging improper interaction between the escapeshellarg function and internal escaping performed in the mail function in PHP. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-10033.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://openwall.com/lists/oss-security/2016/12/28/1 http://packetstormsecurity.com/files/140286/PHPMailer-Remote-Code-Execution.html http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html http://seclists.org/fulldisclosure/2016/Dec/81 http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection http://www.securityfocus.com/archive/1/539967/100/0/threaded http://www.securityfocus.com/bid/95130 http://www.securitytracker.com/id/1037533 https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.20 https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10045-Vuln-Patch-Bypass.html https://www.exploit-db.com/exploits/40969/ https://www.exploit-db.com/exploits/40986/ https://www.exploit-db.com/exploits/42221/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8