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CVE-2020-14954

Published: 21 June 2020

Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a man-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
mutt
Launchpad, Ubuntu, Debian
impish Not vulnerable
(1.14.4-2)
focal
Released (1.13.2-1ubuntu0.2)
groovy Not vulnerable
(1.14.4-2)
hirsute Not vulnerable
(1.14.4-2)
kinetic Not vulnerable
(1.14.4-2)
lunar Not vulnerable
(1.14.4-2)
bionic
Released (1.9.4-3ubuntu0.3)
eoan
Released (1.10.1-2.1ubuntu0.2)
jammy Not vulnerable
(1.14.4-2)
trusty Does not exist

upstream
Released (1.14.4-1)
xenial
Released (1.5.24-1ubuntu0.4)
mantic Not vulnerable
(1.14.4-2)
neomutt
Launchpad, Ubuntu, Debian
impish Not vulnerable
(20200619+dfsg.1-1)
focal Needs triage

groovy Not vulnerable
(20200619+dfsg.1-1)
kinetic Not vulnerable
(20200619+dfsg.1-1)
lunar Not vulnerable
(20200619+dfsg.1-1)
bionic Needs triage

eoan Ignored
(end of life)
hirsute Not vulnerable
(20200619+dfsg.1-1)
jammy Not vulnerable
(20200619+dfsg.1-1)
trusty Does not exist

upstream
Released (20200619+dfsg.1-1)
xenial Does not exist

mantic Not vulnerable
(20200619+dfsg.1-1)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N