CVE-2016-10033: Command Injection
First published: Fri Dec 23 2016(Updated: )
### 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](https://github.com/PHPMailer/PHPMailer)
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/phpmailer/phpmailer | >=5.0.0<5.2.18 | 5.2.18 |
| composer/phpmailer/phpmailer | >=5.0.0<5.2.18 | 5.2.18 |
| Phpmailer Project Phpmailer | <5.2.18 | |
| WordPress WordPress | <=4.7 | |
| Joomla Joomla\! | >=1.5.0<=3.6.5 | |
| debian/libphp-phpmailer | 6.2.0-2 6.6.3-1 6.9.1-1 |
Remedy
https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html
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Reference Links
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18
- https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-5f37-gxvh-23v6
- https://nvd.nist.gov/vuln/detail/CVE-2016-10033
- https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2016-10033.yaml
- 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-2016-10033-Vuln.html
- https://www.drupal.org/psa-2016-004
- https://www.exploit-db.com/exploits/40968/
- https://www.exploit-db.com/exploits/40969/
- https://www.exploit-db.com/exploits/40970/
- https://www.exploit-db.com/exploits/40974/
- https://www.exploit-db.com/exploits/40986/
- https://www.exploit-db.com/exploits/41962/
- https://www.exploit-db.com/exploits/41996/
- https://www.exploit-db.com/exploits/42024/
- https://www.exploit-db.com/exploits/42221/
- http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html
- http://seclists.org/fulldisclosure/2016/Dec/78
- http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection
- http://www.securityfocus.com/archive/1/539963/100/0/threaded
- http://www.securityfocus.com/bid/95108
- http://www.securitytracker.com/id/1037533
- https://github.com/advisories/GHSA-5f37-gxvh-23v6 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2016-10033
- https://github.com/PHPMailer/PHPMailer/commit/4835657cd639fbd09afd33307cef164edf807cdc#diff-ace81e501931d8763b49f2410cf3094dR1449
- https://www.openwall.com/lists/oss-security/2016/12/28/1
- https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10045-Vuln-Patch-Bypass.html
- https://github.com/PHPMailer/PHPMailer/commit/9743ff5c7ee16e8d49187bd2e11149afb9485eae
- https://github.com/PHPMailer/PHPMailer/commit/833c35fe39715c3d01934508987e97af1fbc1ba0
- https://security-tracker.debian.org/tracker/CVE-2016-10033
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10033
- https://ubuntu.com/security/CVE-2016-10033
Frequently Asked Questions
What is the impact of CVE-2016-10033?
CVE-2016-10033 allows remote attackers to execute arbitrary code by passing extra parameters to the mail command via a crafted Sender property.
How can I fix CVE-2016-10033?
To fix CVE-2016-10033, update PHPMailer to version 5.2.18 or higher.
What is the severity level of CVE-2016-10033?
CVE-2016-10033 has a severity level of 9.8 (Critical).
Where can I find more information about CVE-2016-10033?
You can find more information about CVE-2016-10033 on the GitHub release page and the NVD website.
Which software is affected by CVE-2016-10033?
PHPMailer before version 5.2.18, libphp-phpmailer package, WordPress before version 4.7, and Joomla versions 1.5.0 to 3.6.5 are affected by CVE-2016-10033.
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