Zend-Mail remote code execution in zend-mail via Sendmail adapter
When using the zend-mail component to send email via the `Zend\Mail\Transport\Sendmail` transport, a malicious user may be able to inject arbitrary parameters to the system sendmail program. The attack is performed by providing additional quote characters within an address; when unsanitized, they can be interpreted as additional command line arguments, leading to the vulnerability. The following example demonstrates injecting additional parameters to the sendmail binary via the From address: ``` use Zend\Mail; $mail = new Mail\Message(); $mail->setBody('This is the text of the email.'); // inject additional parameters to sendmail command l
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