CVE-2019-14892 Polymorphic deserialization of malicious object in jackson-databind
Attackers can execute arbitrary code via polymorphic deserialization in jackson-databind using JNDI classes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-14892?
CVE-2019-14892 is a high-severity unsafe deserialization vulnerability in Fasterxml Jackson-Databind, published on 2 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was discovered in jackson-databind in versions before 2.9.10, 2.8.11.5 and 2.6.7.3, where it would permit polymorphic deserialization of a malicious object using commons-configuration 1 and 2 JNDI classes. An attacker could use this flaw to execute arbitrary code.
Which versions are affected by CVE-2019-14892?
6 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 8 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | All versions | 2.6.7.3 |
com.fasterxml.jackson.core:jackson-databind Maven | All versions | 2.6.7.3 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.8.11.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.8.11.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10 |
Products include Apache Geode, Fasterxml Jackson-Databind, Redhat Decision Manager, Redhat Jboss Data Grid, Redhat Jboss Enterprise Application Platform, Redhat Jboss Fuse and 2 more.
How do I fix CVE-2019-14892?
Upgrade com.fasterxml.jackson.core:jackson-databind to a fixed version for your release line: 2.6.7.3, 2.8.11.5 or 2.9.10.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2019-14892 being exploited?
There is no known exploitation of CVE-2019-14892 in the wild and no public exploit code.
Other vulnerabilities in Fasterxml Jackson-Databind
- CVE-2020-1938 Apache Tomcat Improper Privilege Management
- CVE-2019-15752 Docker Desktop Community Edition Privilege Escalation
- CVE-2022-37021 Apache Geode deserialization of untrusted data flaw when using JMX over RMI on Java 8.
- CVE-2014-0048 Supply chain in docker.io
- CVE-2017-15692 Apache Geode unsafe deserialization in TcpServer
Sources
Also known as CLEANSTART-2026-JP41906, DEBIAN-CVE-2019-14892, GHSA-cf6r-3wgc-h863, ROOT-APP-MAVEN-CVE-2019-14892, UBUNTU-CVE-2019-14892.