Deserialization Vulnerability in FasterXML jackson-databind Product by FasterXML
CVE-2020-24750

8.1HIGH

Key Information:

Vendor

Fasterxml

Status
Jackson-databind
Vendor
CVE Published:
17 September 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-24750?

A vulnerability in the FasterXML jackson-databind library prior to version 2.9.10.6 allows improper handling of serialization gadgets. This is primarily related to the JndiConfiguration class, which could potentially lead to unexpected behaviors in application serialization processes. This issue may enable attackers to exploit applications relying on the affected library to execute malicious payloads during deserialization, posing a risk to data integrity and application security.

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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-2020-24750
Created by Al1ex

References

https://github.com/FasterXML/jackson-databind/issues/2798
x_refsource_MISC
https://www.oracle.com/security-alerts/cpujan2021.html
x_refsource_MISC
https://github.com/FasterXML/jackson-databind/commit/ad5a...
x_refsource_CONFIRM

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

  • Vulnerability published

  • Vulnerability Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

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