CVE-2020-36181 Unsafe Deserialization in jackson-databind
Attackers can achieve remote code execution via unsafe deserialization in jackson-databind when specific typing and gadget configurations are 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-2020-36181?
CVE-2020-36181 is a high-severity unsafe deserialization vulnerability in Debian Debian Linux, published on 6 Jan 2021. 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 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.cpdsadapter.DriverAdapterCPDS.
Weakness: CWE-502
Which versions are affected by CVE-2020-36181?
4 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 44 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | From 2.0.0 | 2.6.7.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.0.0 | 2.6.7.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.9.10.8 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.9.10.8 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Netapp Service Level Manager, Oracle Agile Product Lifecycle Management, Oracle Application Testing Suite, Oracle Autovue for Agile Product Lifecycle Management and 38 more.
How do I fix CVE-2020-36181?
Upgrade com.fasterxml.jackson.core:jackson-databind to a fixed version for your release line: 2.6.7.5 or 2.9.10.8.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-36181 being exploited?
There is no known exploitation of CVE-2020-36181 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2020-36181, GHSA-cvm9-fjm9-3572, ROOT-APP-MAVEN-CVE-2020-36181, UBUNTU-CVE-2020-36181.