GoogleOSV:GHSA-5F37-GXVH-23V6Remote code execution in PHPMailer
EPSS
Percentile
99.8%
Impact
The mailSend function in the default 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.
Patches
Fixed in 5.2.18
Workarounds
Filter and validate user input before passing it to internal functions.
References
https://nvd.nist.gov/vuln/detail/CVE-2016-10033
Related to a follow-on issue in https://nvd.nist.gov/vuln/detail/CVE-2016-10045
For more information
If you have any questions or comments about this advisory:
- Open a private issue in the PHPMailer project
References
packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html
packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html
seclists.org/fulldisclosure/2016/Dec/78
www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection
www.securityfocus.com/archive/1/539963/100/0/threaded
www.securityfocus.com/bid/95108
www.securitytracker.com/id/1037533
developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html
github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2016-10033.yaml
github.com/PHPMailer/PHPMailer
github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18
github.com/PHPMailer/PHPMailer/security/advisories/GHSA-5f37-gxvh-23v6
github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities
legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html
nvd.nist.gov/vuln/detail/CVE-2016-10033
www.drupal.org/psa-2016-004
www.exploit-db.com/exploits/40968
www.exploit-db.com/exploits/40969
www.exploit-db.com/exploits/40970
www.exploit-db.com/exploits/40974
www.exploit-db.com/exploits/40986
www.exploit-db.com/exploits/41962
www.exploit-db.com/exploits/41996
www.exploit-db.com/exploits/42024
www.exploit-db.com/exploits/42221
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