Serialization Mismanagement in FasterXML Jackson Databind 2.x
CVE-2020-36188

8.1HIGH

Key Information:

Vendor

Fasterxml

Status
Jackson-databind
Vendor
CVE Published:
6 January 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 10%

What is CVE-2020-36188?

The FasterXML jackson-databind library versions prior to 2.9.10.8 are affected by a vulnerability that improperly handles the interaction between serialization gadgets and typing. This vulnerability is linked to the com.newrelic.agent.deps.ch.qos.logback.core.db.JNDIConnectionSource, potentially allowing malicious input to exploit serialization processes. It is crucial for users of jackson-databind to upgrade to the latest versions to mitigate any risks associated with this vulnerability.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36188
Created by Al1ex

References

https://cowtowncoder.medium.com/on-jackson-cves-dont-pani...
x_refsource_MISC
https://github.com/FasterXML/jackson-databind/issues/2996
x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021/04/msg0...
mailing-listx_refsource_MLIST

EPSS Score

10% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.