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CVE-2019-10740

Published: 7 April 2019

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.

Priority

Medium

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
roundcube
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(1.4.3+dfsg.1-1)
groovy Not vulnerable
(1.4.3+dfsg.1-1)
hirsute Not vulnerable
(1.4.3+dfsg.1-1)
impish Not vulnerable
(1.4.11+dfsg.1-4)
jammy Not vulnerable
(1.5.0+dfsg.1-2)
kinetic Not vulnerable
(1.5.0+dfsg.1-2)
lunar Not vulnerable
(1.5.0+dfsg.1-2)
mantic Not vulnerable
(1.5.0+dfsg.1-2)
noble Not vulnerable
(1.5.0+dfsg.1-2)
trusty Does not exist
(trusty was not-affected)
upstream
Released (1.4.0)
xenial Needed

Patches:
upstream: https://github.com/roundcube/roundcubemail/commit/de25226d310de11f6a9eb0aa7ea1c90d82dc70d8

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N