CVE-2020-11113 jackson-databind mishandles the interaction between serialization gadgets and typing
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
- A user has to click or open something
- Fix
- Available
What is CVE-2020-11113?
CVE-2020-11113 is a high-severity unsafe deserialization vulnerability in Debian Debian Linux, published on 31 Mar 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.openjpa.ee.WASRegistryManagedRuntime (aka openjpa).
Weakness: CWE-502
Which versions are affected by CVE-2020-11113?
2 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 32 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10.4 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.10.4 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Netapp Steelstore Cloud Integrated Storage, Oracle Agile Product Lifecycle Management, Oracle Autovue for Agile Product Lifecycle Management, Oracle Banking Digital Experience and 26 more.
How do I fix CVE-2020-11113?
Upgrade com.fasterxml.jackson.core:jackson-databind to 2.9.10.4 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-11113 being exploited?
There is no known exploitation of CVE-2020-11113 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-11113, GHSA-9vvp-fxw6-jcxr, ROOT-APP-MAVEN-CVE-2020-11113, UBUNTU-CVE-2020-11113.