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JSON-Patch Out-of-bounds Write vulnerability

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Feb 8, 2023

Package

gomod github.com/evanphx/json-patch (Go)

Affected versions

< 0.5.2
>= 3.0.0, < 3.0.1-0.20180525145409-4c9aadca8f89

Patched versions

0.5.2
3.0.1-0.20180525145409-4c9aadca8f89

Description

An out of bound write can occur when patching an Openshift object using the oc patch functionality in OpenShift Container Platform before 3.7. An attacker can use this flaw to cause a denial of service attack on the Openshift master api service which provides cluster management.

References

Published by the National Vulnerability Database Sep 6, 2018
Published to the GitHub Advisory Database May 13, 2022
Reviewed Feb 8, 2023
Last updated Feb 8, 2023

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
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
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:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS score

0.259%
(65th percentile)

Weaknesses

CVE ID

CVE-2018-14632

GHSA ID

GHSA-gxhv-3hwf-wjp9

Source code

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