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Fencer Vulns
high 7.7

CVE-2018-14632 json

JSON-Patch Out-of-bounds Write vulnerability

published 2018-09-06 8 y ago modified 2026-06-17 4 mo ago also GHSA-gxhv-3hwf-wjp9 , GO-2021-0076 , EUVD-2022-4032

cvss
7.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/evanphx/json-patch 0.5.2, 3.0.1-0.20180525145409-4c9aadca8f89, 3.0.1-0.20180525145409-4c9aadca8f89+incompatible
  • atomic-openshift openshift 3.7 3.7.72-1.git.0.925b9cd.el7
  • openshift-ansible openshift 3.7 3.7.72-1.git.0.5c45a8a.el7
  • atomic-openshift-pod openshift 3.7 3.7.72-1.git.0.925b9cd.el7
  • atomic-openshift-node openshift 3.7 3.7.72-1.git.0.925b9cd.el7
  • atomic-openshift-tests openshift 3.7 3.7.72-1.git.0.925b9cd.el7
  • atomic-openshift-utils openshift 3.7 3.7.72-1.git.0.5c45a8a.el7
  • atomic-openshift-master openshift 3.7 3.7.72-1.git.0.925b9cd.el7
  • openshift-ansible-roles openshift 3.7 3.7.72-1.git.0.5c45a8a.el7

red hat advisories RHSA-2018:2906RHSA-2018:2908RHSA-2018:2709RHSA-2018:2654RHBA-2018:2652

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14632 updated cvss 7.7

atomic-openshift: oc patch with json causes masterapi service crash

  • Red Hat OpenShift Container Platform 3.2 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more Red Hat OpenShift Container Platform 3.3 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.4 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Container Platform 3.5 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +6 more Red Hat OpenShift Enterprise 3.0 openshift, openshift-node, openshift-master, openshift-clients, openshift-sdn-ovs, tuned-profiles-openshift-node
    affected: no fix available
  • Red Hat OpenShift Container Platform 3.6 atomic-openshift 3.6.173.0.130-1.git.0.8d78a39.el7, atomic-openshift-pod 3.6.173.0.130-1.git.0.8d78a39.el7, atomic-openshift-node 3.6.173.0.130-1.git.0.8d78a39.el7, atomic-openshift-tests 3.6.173.0.130-1.git.0.8d78a39.el7, atomic-openshift-master 3.6.173.0.130-1.git.0.8d78a39.el7, atomic-openshift-clients 3.6.173.0.130-1.git.0.8d78a39.el7, +9 more
    fixed: vendor fix RHSA-2018:2654
  • Red Hat OpenShift Container Platform 3.7 atomic-openshift 3.7.72-1.git.0.925b9cd.el7, atomic-openshift-pod 3.7.72-1.git.0.925b9cd.el7, atomic-openshift-node 3.7.72-1.git.0.925b9cd.el7, atomic-openshift-tests 3.7.72-1.git.0.925b9cd.el7, atomic-openshift-master 3.7.72-1.git.0.925b9cd.el7, atomic-openshift-clients 3.7.72-1.git.0.925b9cd.el7, +10 more
    fixed: vendor fix RHSA-2018:2906
  • Red Hat OpenShift Container Platform 3.9 atomic-openshift 3.9.51-1.git.0.dc3a40b.el7, atomic-openshift-pod 3.9.51-1.git.0.dc3a40b.el7, atomic-openshift-node 3.9.51-1.git.0.dc3a40b.el7, atomic-openshift-tests 3.9.51-1.git.0.dc3a40b.el7, atomic-openshift-master 3.9.51-1.git.0.dc3a40b.el7, atomic-openshift-clients 3.9.51-1.git.0.dc3a40b.el7, +8 more
    fixed: vendor fix RHSA-2018:2908
  • Red Hat OpenShift Container Platform 3.10 atomic-openshift 3.10.66-1.git.0.91d1e89.el7, atomic-openshift-pod 3.10.66-1.git.0.91d1e89.el7, atomic-openshift-node 3.10.66-1.git.0.91d1e89.el7, atomic-openshift-tests 3.10.66-1.git.0.91d1e89.el7, atomic-openshift-master 3.10.66-1.git.0.91d1e89.el7, atomic-openshift-clients 3.10.66-1.git.0.91d1e89.el7, +7 more
    fixed: vendor fix RHSA-2018:2709
  • Red Hat OpenShift Container Platform 3.11 atomic-openshift 3.11.16-1.git.0.b48b8f8.el7, atomic-openshift-pod 3.11.16-1.git.0.b48b8f8.el7, atomic-openshift-node 3.11.16-1.git.0.b48b8f8.el7, atomic-openshift-tests 3.11.16-1.git.0.b48b8f8.el7, atomic-openshift-master 3.11.16-1.git.0.b48b8f8.el7, atomic-openshift-clients 3.11.16-1.git.0.b48b8f8.el7, +7 more
    fixed: vendor fix RHBA-2018:2652
  • Red Hat OpenShift Container Platform 3.6 python-paramiko 2.1.1-4.el7, openshift-ansible 3.6.173.0.130-1.git.0.22ddff9.el7, atomic-openshift-utils 3.6.173.0.130-1.git.0.22ddff9.el7, openshift-ansible-roles 3.6.173.0.130-1.git.0.22ddff9.el7, openshift-ansible-playbooks 3.6.173.0.130-1.git.0.22ddff9.el7, openshift-ansible-filter-plugins 3.6.173.0.130-1.git.0.22ddff9.el7, +2 more Red Hat OpenShift Container Platform 3.7 openshift-ansible 3.7.72-1.git.0.5c45a8a.el7, atomic-openshift-utils 3.7.72-1.git.0.5c45a8a.el7, openshift-ansible-roles 3.7.72-1.git.0.5c45a8a.el7, openshift-ansible-playbooks 3.7.72-1.git.0.5c45a8a.el7, openshift-ansible-filter-plugins 3.7.72-1.git.0.5c45a8a.el7, openshift-ansible-lookup-plugins 3.7.72-1.git.0.5c45a8a.el7, +1 more Red Hat OpenShift Container Platform 3.9 fluentd 0.12.43-3.el7, openshift-ansible 3.9.51-1.git.0.c4968ca.el7, atomic-openshift-utils 3.9.51-1.git.0.c4968ca.el7, openshift-ansible-roles 3.9.51-1.git.0.c4968ca.el7, openshift-ansible-playbooks 3.9.51-1.git.0.c4968ca.el7, prometheus-node-exporter 3.9.51-1.git.1060.2055e02.el7, +5 more Red Hat OpenShift Container Platform 3.10 haproxy 1.8.14-2.el7, haproxy18 1.8.14-2.el7, python-py 1.4.32-2.el7, perl-IO-String 1.08-20.el7, rubygem-ffi 1.9.25-4.el7_5, image-inspector 2.4.0-3.el7, +14 more Red Hat OpenShift Container Platform 3.11 tini 0.16.1-1, apb 1.9.7-1.el7_5, cockpit 176-2.el7, fb303 0.9.1-15.el7, kibana 5.6.10-1.el7, thrift 0.9.1-15.el7, +173 more Red Hat OpenShift Container Platform 4 openshift, openshift-clients, openshift-kubelet, openshift-hyperkube, openshift-kube-apiserver, openshift-kube-scheduler, +2 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.23% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.7 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P
GitHub 3.0 7.7 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/evanphx/json-patch
<0.5.2
>=3.0.0, <3.0.1-0.20180525145409-4c9aadca8f89
>=3.0.0+incompatible, <3.0.1-0.20180525145409-4c9aadca8f89+incompatible
0.5.2
3.0.1-0.20180525145409-4c9aadca8f89
3.0.1-0.20180525145409-4c9aadca8f89+incompatible

Affected products

  • Red Hat atomic-openshift

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.