| Name | CVE-2017-17689 |
| Description | The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 898633, 899127, 899128 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| evolution (PTS) | jessie, jessie (lts) | 3.12.9~git20141130.241663-1+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 3.22.6-1+deb9u2 | vulnerable |
| buster | 3.30.5-1.1 | vulnerable |
| bullseye (security), bullseye | 3.38.3-1+deb11u2 | vulnerable |
| bookworm | 3.46.4-2 | vulnerable |
| sid, trixie | 3.54.1-1 | vulnerable |
| kdepim (PTS) | jessie, jessie (lts) | 4:4.14.1-1+deb8u2 | vulnerable |
| stretch | 4:16.04.3-4~deb9u1 | vulnerable |
| kf5-messagelib (PTS) | stretch | 4:16.04.3-3~deb9u1 | vulnerable |
| buster | 4:18.08.3-2 | fixed |
| bullseye | 4:20.08.3-5 | fixed |
| bookworm | 4:22.12.3-2~deb12u1 | fixed |
| sid, trixie | 4:22.12.3-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - kf5-messagelib <no-dsa> (Defaults to secure handling, change to disable it entirely can be fixed via spu)
[stretch] - kdepim <no-dsa> (Defaults to secure handling, change to disable it entirely can be fixed via spu)
[jessie] - kdepim <no-dsa> (Defaults to secure handling, change to disable it entirely can be fixed via spu)
https://efail.de
https://bugzilla.gnome.org/show_bug.cgi?id=796135
https://dot.kde.org/2018/05/15/efail-and-kmail
protocol vulnerability can't be fixed in implementations but they can prevent exploitation by disabling loading of remote content
kmail bug is #898634, but src:kmail is not affected, the code in question is in kf5-messagelib
kf5-messagelib: https://phabricator.kde.org/D12391 (v18.04.1)
kf5-messagelib: https://phabricator.kde.org/D12393 (v18.04.1)
kmail: https://phabricator.kde.org/D12394