evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a “begin TLS” response, eds reads additional data and evaluates it in a TLS context, aka “response injection.”
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14928
Reference (s):
- https://bugzilla.suse.com/show_bug.cgi?id=1173910
- https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac
- https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html
- https://security-tracker.debian.org/tracker/DLA-2281-1