CVE-2020-14061 Deserialization of untrusted data in Jackson Databind
Attackers can execute arbitrary code via deserialization gadgets in jackson-databind when polymorphic typing is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-14061?
CVE-2020-14061 is a high-severity unsafe deserialization vulnerability in Debian Debian Linux, published on 14 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FasterXML jackson-databind 2.x before 2.9.10.5 mishandles the interaction between serialization gadgets and typing, related to oracle.jms.AQjmsQueueConnectionFactory, oracle.jms.AQjmsXATopicConnectionFactory, oracle.jms.AQjmsTopicConnectionFactory, oracle.jms.AQjmsXAQueueConnectionFactory, and oracle.jms.AQjmsXAConnectionFactory (aka weblogic/oracle-aqjms).
Weakness: CWE-502
Which versions are affected by CVE-2020-14061?
2 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 15 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10.5 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Netapp Active Iq Unified Manager, Netapp Steelstore Cloud Integrated Storage, Oracle Agile Product Lifecycle Management, Oracle Autovue for Agile Product Lifecycle Management and 9 more.
How do I fix CVE-2020-14061?
Upgrade com.fasterxml.jackson.core:jackson-databind to 2.9.10.5 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-14061 being exploited?
There is no known exploitation of CVE-2020-14061 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-14061, GHSA-c2q3-4qrh-fm48, ROOT-APP-MAVEN-CVE-2020-14061, UBUNTU-CVE-2020-14061.