SB2019080115 - Improper Certificate Validation in evolution-ews
Published: August 1, 2019 Updated: July 17, 2020
Security Bulletin ID
SB2019080115
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2019-3890)
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.
Remediation
Install update from vendor's website.