Description
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."
References (10)
Core 10
Core References
Exploit, Third Party Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226
Mailing List, Third Party Advisory x_refsource_confirm
https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html
Patch, Third Party Advisory x_refsource_confirm
https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df
Third Party Advisory x_refsource_confirm
https://security-tracker.debian.org/tracker/DSA-4725-1
Third Party Advisory x_refsource_confirm
https://security-tracker.debian.org/tracker/DLA-2281-1
Patch, Third Party Advisory x_refsource_confirm
https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.suse.com/show_bug.cgi?id=1173910
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4725
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4429-1/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/
Scores
CVSS v3
5.9
EPSS
0.0635
EPSS Percentile
91.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-74
Status
published
Products (7)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
debian/debian_linux
9.0
debian/debian_linux
10.0
fedoraproject/fedora
31
gnome/evolution-data-server
< 3.36.3
Published
Jul 17, 2020
Tracked Since
Feb 18, 2026