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Deserialization of Untrusted Data in jackson-databind

High severity GitHub Reviewed Published Jun 30, 2020 to the GitHub Advisory Database • Updated Mar 1, 2024

Package

maven com.fasterxml.jackson.core:jackson-databind (Maven)

Affected versions

>= 2.9.0, < 2.9.4
>= 2.8.0, < 2.8.11
< 2.7.9.5

Patched versions

2.9.4
2.8.11.1
2.7.9.5

Description

FasterXML jackson-databind through 2.8.11 and 2.9.x through 2.9.3 allows unauthenticated remote code execution because of an incomplete fix for the CVE-2017-7525 and CVE-2017-17485 deserialization flaws. This is exploitable via two different gadgets that bypass a blacklist.

References

Published by the National Vulnerability Database Jan 22, 2018
Reviewed Jun 30, 2020
Published to the GitHub Advisory Database Jun 30, 2020
Last updated Mar 1, 2024

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS score

9.270%
(95th percentile)

Weaknesses

CVE ID

CVE-2018-5968

GHSA ID

GHSA-w3f4-3q6j-rh82

Source code

Credits

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