Advisories ยป MGASA-2021-0067

Updated messagelib packages fix a security vulnerability

Publication date: 04 Feb 2021
Type: security
Affected Mageia releases : 7
CVE: CVE-2019-10732


In KDE KMail, 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