CVE-2017-17688

NameCVE-2017-17688
DescriptionThe OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code (MDC) feature or accept an obsolete packet type, not a problem in the OpenPGP specification
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs898630

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
enigmail (PTS)bullseye2:2.2.4-0.3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
enigmailsourcejessie(unfixed)end-of-life
enigmailsource(unstable)2:2.0.6.1-4898630

Notes

[jessie] - enigmail <end-of-life> (see https://lists.debian.org/debian-lts-announce/2019/02/msg00002.html)
vulnerability is in the clients handling, not in OpenPGP
https://efail.de
possibly https://sourceforge.net/p/enigmail/source/ci/f6c111 and https://sourceforge.net/p/enigmail/source/ci/d2a83a
Marking the first 2.x version which reached unstable as fixed, see discussion in #898630

Search for package or bug name: Reporting problems