CVE-2018-15587

Publication date 11 February 2019

Last updated 18 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
evolution	25.10 questing	Fixed 3.31.90-1
	25.04 plucky	Fixed 3.31.90-1
	24.10 oracular	Fixed 3.31.90-1
	24.04 LTS noble	Fixed 3.31.90-1
	23.10 mantic	Fixed 3.31.90-1
	23.04 lunar	Fixed 3.31.90-1
	22.10 kinetic	Fixed 3.31.90-1
	22.04 LTS jammy	Fixed 3.31.90-1
	21.10 impish	Fixed 3.31.90-1
	21.04 hirsute	Fixed 3.31.90-1
	20.10 groovy	Fixed 3.31.90-1
	20.04 LTS focal	Fixed 3.31.90-1
	19.10 eoan	Fixed 3.31.90-1
	19.04 disco	Fixed 3.31.90-1
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not in release
evolution-data-server	25.10 questing	Fixed 3.31.90-1
	25.04 plucky	Fixed 3.31.90-1
	24.10 oracular	Fixed 3.31.90-1
	24.04 LTS noble	Fixed 3.31.90-1
	23.10 mantic	Fixed 3.31.90-1
	23.04 lunar	Fixed 3.31.90-1
	22.10 kinetic	Fixed 3.31.90-1
	22.04 LTS jammy	Fixed 3.31.90-1
	21.10 impish	Fixed 3.31.90-1
	21.04 hirsute	Fixed 3.31.90-1
	20.10 groovy	Fixed 3.31.90-1
	20.04 LTS focal	Fixed 3.31.90-1
	19.10 eoan	Fixed 3.31.90-1
	19.04 disco	Fixed 3.31.90-1
	18.10 cosmic	Fixed 3.30.5-0ubuntu0.18.10.1
	18.04 LTS bionic	Fixed 3.28.5-0ubuntu0.18.04.2
	16.04 LTS xenial	Fixed 3.18.5-1ubuntu1.2
	14.04 LTS trusty	Not in release

Notes

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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
evolution	Upstream: 9c55a31 Upstream: f66cd3e
evolution-data-server	Upstream: 93306a2 Upstream: accb0e2 Upstream: 5cd59ae

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
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