SMTP Injection in PHPMailer
### Impact Attackers could inject arbitrary SMTP commands via by exploiting the fact that valid email addresses may contain line breaks, which are not handled correctly in some contexts. ### Patches Fixed in 5.2.14 in [this commit](https://github.com/PHPMailer/PHPMailer/commit/6687a96a18b8f12148881e4ddde795ae477284b0). ### Workarounds Manually strip line breaks from email addresses before passing them to PHPMailer. ### References https://nvd.nist.gov/vuln/detail/CVE-2015-8476 ### 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)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2015-8476US | medium5.0 | — | ||
Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddre… | ||||
references
External citations — patches, advisories, analysis.
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177130.htmlWEB
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177139.htmlWEB
- http://www.debian.org/security/2015/dsa-3416WEB
- http://www.openwall.com/lists/oss-security/2015/12/04/5WEB
- http://www.openwall.com/lists/oss-security/2015/12/05/1WEB
- http://www.securityfocus.com/bid/78619WEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2015-8476.yamlWEB
- https://github.com/PHPMailer/PHPMailer/commit/6687a96a18b8f12148881e4ddde795ae477284b0WEB
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