SB2019073015 - Information disclosure in FasterXML jackson-databind



SB2019073015 - Information disclosure in FasterXML jackson-databind

Published: July 30, 2019 Updated: September 16, 2019

Security Bulletin ID SB2019073015
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2019-14439)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a polymorphic typing issue when Default Typing is enabled for an externally exposed JSON endpoint and the service has the logback jar in the classpath. A remote attacker can send a specially crafted JSON message and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.