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

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.

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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

9% 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

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