CVE-2019-10740
Description
In Roundcube Webmail before 1.3.10, an attacker in possession of S/MIME or PGP encrypted emails can wrap them as sub-parts within a crafted multipart email. The encrypted part(s) can further be hidden using HTML/CSS or ASCII newline characters. This modified multipart email can be re-sent by the attacker to the intended receiver. If the receiver replies to this (benign looking) email, they unknowingly leak the plaintext of the encrypted message part(s) back to the attacker.
How to fix
- roundcube webmail1.3.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| roundcube webmail | v < 1.3.10 | 1.3.10 |
| fedoraproject fedora | 29 | — |
| opensuse backports_sle | 15.0 | — |
| opensuse leap | 15.1, 15.2 | — |
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