Information disclosure in jackson-databind - CVE-2019-14439

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Main Vulnerability Database Vulnerabilities #VU19937

Information disclosure in jackson-databind - CVE-2019-14439

Published: August 6, 2019


Vulnerability identifier: #VU19937
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-14439
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

jackson-databind
z/Transaction Processing Facility ( z/TPF)
Log Analysis
IBM Process Mining
IBM Cloud Application Performance Management (APM)
IBM Security Verify Governance
AMQ Streams
Fuse
Apache Kafka
Cloudera Observability with IBM
Dell Support Assist Enterprise
Integration Designer
Storage Virtualize
Ubuntu
Fedora
libjackson2-databind-java (Ubuntu package)
jackson-databind (Debian package)
jackson-annotations
jackson-bom
jackson-core
jackson-databind
IBM Disconnected Log Collector
watsonx.data

How to mitigate CVE-2019-14439

Install updates from vendor's website.

jackson-databind - update to 2.9.9.2
AMQ Streams - update to 1.3.0
Log Analysis - addressed in versions 1.3.7.2 IF001, 1.3.7.2 IF002, 1.3.7.2 IF003
IBM Process Mining - update to 1.12.0.4
Apache Kafka - addressed in versions 2.2.2, 2.3.1
Cloudera Observability with IBM - update to 3.6.2
Dell Support Assist Enterprise - update to 4.00.06.00
Fuse - update to 7.6.0
libjackson2-databind-java (Ubuntu package) - update to 2.4.2-3ubuntu0.1~esm2
jackson-databind (Debian package) - addressed in versions 2.8.6-1+deb9u6, 2.9.8-3+deb10u1
jackson-annotations - addressed in versions 2.9.9-1.fc29, 2.9.9-1.fc30, 2.9.9-1.fc31
jackson-bom - addressed in versions 2.9.9-1.fc29, 2.9.9-1.fc30, 2.9.9-1.fc31
jackson-core - addressed in versions 2.9.9-1.fc29, 2.9.9-1.fc30, 2.9.9-1.fc31
jackson-databind - addressed in versions 2.9.9.3-1.fc29, 2.9.9.3-1.fc30, 2.9.9.3-1.fc31
IBM Disconnected Log Collector - update to 1.8.3
watsonx.data - update to 2.0.3
IBM Cloud Application Performance Management (APM) - update to 8.1.4.0.14
Storage Virtualize - addressed in versions 8.6.3.0, 8.7.0.0
IBM Security Verify Governance - update to 10.0.1.0.4

External References

Related Security Bulletins