SB2020101501 - MitM attack in Apache Calcite
Published: October 15, 2020
Security Bulletin ID
SB2020101501
Severity
Medium
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-2020-13955)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to HttpUtils#getURLConnection method disables explicitly hostname verification for HTTPS connections making clients vulnerable to man-in-the-middle attacks. Calcite uses internally this method to connect with Druid and Splunk so information leakage may happen when using the respective Calcite adapters.
Remediation
Install update from vendor's website.