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CVE-2018-15587

Published: 11 February 2019

GNOME Evolution through 3.28.2 is prone to OpenPGP signatures being spoofed for arbitrary messages using a specially crafted email that contains a valid signature from the entity to be impersonated as an attachment.

Notes

AuthorNote
mdeslaur
looks like there are two issues here:
#1- evolution shows security bar at bottom of message
#2- mail that is not encrypted looks encrypted

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
evolution
Launchpad, Ubuntu, Debian
impish
Released (3.31.90-1)
groovy
Released (3.31.90-1)
hirsute
Released (3.31.90-1)
xenial Needed

jammy
Released (3.31.90-1)
kinetic
Released (3.31.90-1)
lunar
Released (3.31.90-1)
bionic Needed

cosmic Ignored
(end of life)
disco
Released (3.31.90-1)
eoan
Released (3.31.90-1)
focal
Released (3.31.90-1)
trusty Does not exist
(trusty was needed)
upstream Needs triage

mantic
Released (3.31.90-1)
Patches:
upstream: https://gitlab.gnome.org/GNOME/evolution/commit/9c55a311325f5905d8b8403b96607e46cf343f21 (1)
upstream: https://gitlab.gnome.org/GNOME/evolution/commit/f66cd3e1db301d264563b4222a3574e2e58e2b85 (2)



evolution-data-server
Launchpad, Ubuntu, Debian
groovy
Released (3.31.90-1)
hirsute
Released (3.31.90-1)
jammy
Released (3.31.90-1)
lunar
Released (3.31.90-1)
bionic
Released (3.28.5-0ubuntu0.18.04.2)
cosmic
Released (3.30.5-0ubuntu0.18.10.1)
disco
Released (3.31.90-1)
eoan
Released (3.31.90-1)
focal
Released (3.31.90-1)
impish
Released (3.31.90-1)
kinetic
Released (3.31.90-1)
trusty Does not exist
(trusty was needed)
upstream Needs triage

xenial
Released (3.18.5-1ubuntu1.2)
mantic
Released (3.31.90-1)
Patches:


upstream: https://gitlab.gnome.org/GNOME/evolution-data-server/commit/93306a296c64b48d12c356804f131048643eaa0a (2)
upstream: https://gitlab.gnome.org/GNOME/evolution-data-server/commit/accb0e2415681565e4dac00cf1c4303c313ad29e (2)
upstream: https://gitlab.gnome.org/GNOME/evolution-data-server/commit/5cd59aee67450e8750eb3cb2d357d0947f199f61 (2)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N