SB2020051447 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in Apache Flink



SB2020051447 - Improper Neutralization of Special Elements in Output Used by a Downstream Component in Apache Flink

Published: May 14, 2020 Updated: May 13, 2025

Security Bulletin ID SB2020051447
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2020-1960)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A local user with local access to the machine and JMX port can execute a man-in-the-middle attack using a specially crafted request to rebind the JMXRMI registry to one under the attacker's control when running a process with an enabled JMXReporter, with a port configured via metrics.reporter.reporter_name>.port.


Remediation

Install update from vendor's website.