Improper Certificate Validation in evolution-ews - CVE-2019-3890
Published: August 1, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30974
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-3890
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
Affected software
evolution-ews
Fedora
evolution-data-server
evolution-ews
Data Computing Appliance (DCA)
Fedora
evolution-data-server
evolution-ews
Data Computing Appliance (DCA)
How to mitigate CVE-2019-3890
Install update from vendor's website.
evolution-ews - update to 3.31.3
evolution-data-server - update to 3.30.5-2.fc29
evolution-ews - update to 3.30.5-2.fc29
Data Computing Appliance (DCA) - update to 4.3.0.0
evolution-data-server - update to 3.30.5-2.fc29
evolution-ews - update to 3.30.5-2.fc29
Data Computing Appliance (DCA) - update to 4.3.0.0