CVE-2019-3890

evolution-ews: all certificate errors ignored if error is ignored during initial account setup in gnome-online-accounts

Severity Score

8.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

It was discovered evolution-ews before 3.31.3 does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by tricking the user into connecting to a fake server without the user noticing the difference.

Se detectó que evolution-ews anterior a versión 3.31.3, no comprueba la validez de los certificados SSL. Un atacante podría abusar de este fallo para conseguir información confidencial mediante el engaño del usuario para que se conecte a un servidor falso sin que el usuario note la diferencia.

It was discovered evolution-ews does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by tricking the user into connecting to a fake server without the user noticing the difference.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-03 CVE Reserved
2019-08-01 CVE Published
2024-07-25 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-295: Improper Certificate Validation
CWE-296: Improper Following of a Certificate's Chain of Trust

CAPEC

References (5)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3890	Issue Tracking
https://gitlab.gnome.org/GNOME/evolution-ews/issues/27	Issue Tracking

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:3699	2019-10-09
https://access.redhat.com/security/cve/CVE-2019-3890	2020-03-31
https://bugzilla.redhat.com/show_bug.cgi?id=1678313	2020-03-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnome Search vendor "Gnome"		Evolution-ews Search vendor "Gnome" for product "Evolution-ews"				< 3.31.3 Search vendor "Gnome" for product "Evolution-ews" and version " < 3.31.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected