CVE-2016-10045

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 93.71% Top 5%
Vendor Advisory github.com Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2016-10045?
CVE-2016-10045 has been scored as a critical severity vulnerability.
How to fix CVE-2016-10045?
To fix CVE-2016-10045, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-10045 being actively exploited in the wild?
It is possible that CVE-2016-10045 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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