iot devices security alert – cve-2019-14379 Aug 2019

What is Jackson Databind used for? Data Binding API is used to convert JSON to and from POJO (Plain Old Java Object) using property accessor or using annotations. It is of two type. Simple Data Binding – Converts JSON to and from Java Maps, Lists, Strings, Numbers, Booleans and null objects.

What is Ehcache? Ehcache is an open source, standards-based cache that boosts performance, offloads your database, and simplifies scalability.

Vulnerability details: A vulnerability in the FasterXML jackson-databind library could allow an unauthenticated remote attacker to execute arbitrary code on the target system. This defect exists because the SubTypeValidator.java source code file of the affected software incorrectly handles the default type when using Ehcache. An attacker could exploit this vulnerability by sending a request to submit a malicious input to the target system to execute arbitrary code.

Remedy: Update to jackson-databind release 2.9.9.2

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