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Subject Topic: EFAIL and MailBee Post ReplyPost New Topic
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mackolo22
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Posted: 25 March 2019 at 6:01am | IP Logged Quote mackolo22

Hello.
Currently I'm implementing mails decryption. I would like to know if you made any fixes due to EFAIL vulnerability. I created a sample mail message like in the example here: https://efail.de/ and loaded it using MailBee. MailMessage object says that message isn't encrypted and its body is just
"<img src=\"http://efail.de/"

Is your parser resistant to EFAIL attack or the mail I prepared could be invalid?
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Alex
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Posted: 25 March 2019 at 6:08am | IP Logged Quote Alex

I believe it's resistant to this kind of attack because an unclosed HTML tag won't cause the subsequent content to be added in the tag's attribute value in case of or parser. We first locate MIME boundaries and only then analyze the content within them.

Regards,
Alex
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mackolo22
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Posted: 25 March 2019 at 6:30am | IP Logged Quote mackolo22

Thank you very much Alex. I'm glad to hear that.
Best regards.
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