ID

VAR-202005-0397

CVE

CVE-2020-12762

TITLE

json-c  Out-of-bounds write vulnerability in

DESCRIPTION

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. (DoS) It may be in a state. Summary: An update is now available for OpenShift Logging 5.1. Description: Openshift Logging Security and Bug Fix Release (5.1.5) Security Fix(es): * log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228) * netty: Request smuggling via content-length header (CVE-2021-21409) * netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data (CVE-2021-37136) * netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way (CVE-2021-37137) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bugs fixed (https://bugzilla.redhat.com/): 1944888 - CVE-2021-21409 netty: Request smuggling via content-length header 2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data 2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way 2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value 5. JIRA issues fixed (https://issues.jboss.org/): LOG-1971 - Applying cluster state is causing elasticsearch to hit an issue and become unusable 6. Summary: The Migration Toolkit for Containers (MTC) 1.6.3 is now available. Description: The Migration Toolkit for Containers (MTC) enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API. Solution: For details on how to install and use MTC, refer to: https://docs.openshift.com/container-platform/latest/migration_toolkit_for_containers/installing-mtc.html 4. Bugs fixed (https://bugzilla.redhat.com/): 2019088 - "MigrationController" CR displays syntax error when unquiescing applications 2021666 - Route name longer than 63 characters causes direct volume migration to fail 2021668 - "MigrationController" CR ignores the "cluster_subdomain" value for direct volume migration routes 2022017 - CVE-2021-3948 mig-controller: incorrect namespaces handling may lead to not authorized usage of Migration Toolkit for Containers (MTC) 2024966 - Manifests not used by Operator Lifecycle Manager must be removed from the MTC 1.6 Operator image 2027196 - "migration-controller" pod goes into "CrashLoopBackoff" state if an invalid registry route is entered on the "Clusters" page of the web console 2027382 - "Copy oc describe/oc logs" window does not close automatically after timeout 2028841 - "rsync-client" container fails during direct volume migration with "Address family not supported by protocol" error 2031793 - "migration-controller" pod goes into "CrashLoopBackOff" state if "MigPlan" CR contains an invalid "includedResources" resource 2039852 - "migration-controller" pod goes into "CrashLoopBackOff" state if "MigPlan" CR contains an invalid "destMigClusterRef" or "srcMigClusterRef" 5. Summary: Red Hat OpenStack Platform 16.2 (Train) director Operator containers are available for technology preview. Solution: OSP 16.2.z Release - OSP Director Operator Containers 4. Bugs fixed (https://bugzilla.redhat.com/): 2025995 - Rebase tech preview on latest upstream v1.2.x branch 2030801 - CVE-2021-44716 golang: net/http: limit growth of header canonicalization cache 2036784 - osp controller (fencing enabled) in downed state after system manual crash test 5. Bugs fixed (https://bugzilla.redhat.com/): 1995656 - CVE-2021-36221 golang: net/http/httputil: panic due to racy read of persistConn after handler panic 5. The following data is constructed from data provided by Red Hat's json file at: https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6976.json Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. Description: The libfastjson library provides essential JavaScript Object Notation (JSON) handling functions. The library enables users to construct JSON objects in C, output them as JSON-formatted strings, and convert JSON-formatted strings back to the C representation of JSON objects. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Low: Red Hat Advanced Cluster Management 2.2.10 security updates and bug fixes Advisory ID: RHSA-2021:5038-01 Product: Red Hat ACM Advisory URL: https://access.redhat.com/errata/RHSA-2021:5038 Issue date: 2021-12-08 CVE Names: CVE-2018-20673 CVE-2019-5827 CVE-2019-13750 CVE-2019-13751 CVE-2019-17594 CVE-2019-17595 CVE-2019-18218 CVE-2019-19603 CVE-2019-20838 CVE-2020-12762 CVE-2020-13435 CVE-2020-14145 CVE-2020-14155 CVE-2020-16135 CVE-2020-24370 CVE-2020-36385 CVE-2021-3200 CVE-2021-3426 CVE-2021-3445 CVE-2021-3572 CVE-2021-3580 CVE-2021-3733 CVE-2021-3778 CVE-2021-3795 CVE-2021-3796 CVE-2021-3800 CVE-2021-20231 CVE-2021-20232 CVE-2021-20266 CVE-2021-20271 CVE-2021-20317 CVE-2021-22876 CVE-2021-22898 CVE-2021-22925 CVE-2021-22946 CVE-2021-22947 CVE-2021-23440 CVE-2021-23840 CVE-2021-23841 CVE-2021-27645 CVE-2021-28153 CVE-2021-33560 CVE-2021-33574 CVE-2021-33928 CVE-2021-33929 CVE-2021-33930 CVE-2021-33938 CVE-2021-35942 CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 CVE-2021-37750 CVE-2021-42574 CVE-2021-43267 CVE-2021-43527 ===================================================================== 1. Summary: Red Hat Advanced Cluster Management for Kubernetes 2.2.10 General Availability release images, which provide one or more container updates and bug fixes. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Description: Red Hat Advanced Cluster Management for Kubernetes 2.2.10 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console — with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide security fixes, bug fixes and container upgrades. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.2/html/release_notes/ Security fixes: * CVE-2021-3795 semver-regex: inefficient regular expression complexity * CVE-2021-23440 nodejs-set-value: type confusion allows bypass of CVE-2019-10747 Related bugs: * RHACM 2.2.10 images (Bugzilla #2013652) 3. Solution: For Red Hat Advanced Cluster Management for Kubernetes, see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.2/html/release_notes/index For details on how to apply this update, refer to: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.2/html-single/install/index#installing 4. Bugs fixed (https://bugzilla.redhat.com/): 2004944 - CVE-2021-23440 nodejs-set-value: type confusion allows bypass of CVE-2019-10747 2006009 - CVE-2021-3795 semver-regex: inefficient regular expression complexity 2013652 - RHACM 2.2.10 images 5. References: https://access.redhat.com/security/cve/CVE-2018-20673 https://access.redhat.com/security/cve/CVE-2019-5827 https://access.redhat.com/security/cve/CVE-2019-13750 https://access.redhat.com/security/cve/CVE-2019-13751 https://access.redhat.com/security/cve/CVE-2019-17594 https://access.redhat.com/security/cve/CVE-2019-17595 https://access.redhat.com/security/cve/CVE-2019-18218 https://access.redhat.com/security/cve/CVE-2019-19603 https://access.redhat.com/security/cve/CVE-2019-20838 https://access.redhat.com/security/cve/CVE-2020-12762 https://access.redhat.com/security/cve/CVE-2020-13435 https://access.redhat.com/security/cve/CVE-2020-14145 https://access.redhat.com/security/cve/CVE-2020-14155 https://access.redhat.com/security/cve/CVE-2020-16135 https://access.redhat.com/security/cve/CVE-2020-24370 https://access.redhat.com/security/cve/CVE-2020-36385 https://access.redhat.com/security/cve/CVE-2021-3200 https://access.redhat.com/security/cve/CVE-2021-3426 https://access.redhat.com/security/cve/CVE-2021-3445 https://access.redhat.com/security/cve/CVE-2021-3572 https://access.redhat.com/security/cve/CVE-2021-3580 https://access.redhat.com/security/cve/CVE-2021-3733 https://access.redhat.com/security/cve/CVE-2021-3778 https://access.redhat.com/security/cve/CVE-2021-3795 https://access.redhat.com/security/cve/CVE-2021-3796 https://access.redhat.com/security/cve/CVE-2021-3800 https://access.redhat.com/security/cve/CVE-2021-20231 https://access.redhat.com/security/cve/CVE-2021-20232 https://access.redhat.com/security/cve/CVE-2021-20266 https://access.redhat.com/security/cve/CVE-2021-20271 https://access.redhat.com/security/cve/CVE-2021-20317 https://access.redhat.com/security/cve/CVE-2021-22876 https://access.redhat.com/security/cve/CVE-2021-22898 https://access.redhat.com/security/cve/CVE-2021-22925 https://access.redhat.com/security/cve/CVE-2021-22946 https://access.redhat.com/security/cve/CVE-2021-22947 https://access.redhat.com/security/cve/CVE-2021-23440 https://access.redhat.com/security/cve/CVE-2021-23840 https://access.redhat.com/security/cve/CVE-2021-23841 https://access.redhat.com/security/cve/CVE-2021-27645 https://access.redhat.com/security/cve/CVE-2021-28153 https://access.redhat.com/security/cve/CVE-2021-33560 https://access.redhat.com/security/cve/CVE-2021-33574 https://access.redhat.com/security/cve/CVE-2021-33928 https://access.redhat.com/security/cve/CVE-2021-33929 https://access.redhat.com/security/cve/CVE-2021-33930 https://access.redhat.com/security/cve/CVE-2021-33938 https://access.redhat.com/security/cve/CVE-2021-35942 https://access.redhat.com/security/cve/CVE-2021-36084 https://access.redhat.com/security/cve/CVE-2021-36085 https://access.redhat.com/security/cve/CVE-2021-36086 https://access.redhat.com/security/cve/CVE-2021-36087 https://access.redhat.com/security/cve/CVE-2021-37750 https://access.redhat.com/security/cve/CVE-2021-42574 https://access.redhat.com/security/cve/CVE-2021-43267 https://access.redhat.com/security/cve/CVE-2021-43527 https://access.redhat.com/security/updates/classification/#low 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYbFj09zjgjWX9erEAQhkSBAAmumlh+3dgSyNVv2fYrNRs2rV8QdDzhNZ o49/4HwzzTYmoV5hiTCa3JfcyOPoa/vXqAsuSd2dlQEEdHgBbikagp7hcVE/8Yks Ta8Uq+uMNrpjIgFMKld+xJBcEoQUGflkPs/Y5vUbh4k8wRv3737DmLmJQR71teMf PAE8AcMB4VvfqqH3V8+g7CCWLLh3by49+p4PagPLflitPiAB6j8d9ibnd3oPYHY7 Mj0nx6Hp+xnEAcleIENYd169YgSL57SCXO10HuzOBoodF9qIiLLHktXod3JJ7JER vQapO7UZ7lXXXmyYE4Uu3QKtLjAPVkimr58ZPYMWqczyMMz9RykwnUFJ4ihRUaGh ngpuPDhIno1L3y/mWGy5uGmwFJGPDmcclOBwsuzaUev3CiUBnzXlGNkppG/AODKJ leynR6zgg+LzDo1YtJ2SGp8sGGqkrD18XzwmLWuofEZVxsAie7L5ZoApx8/y6MeT 9mnD5NUMgRUNSa9I37eVb1llMoSsFkXD4rzkLwxPxmi+JOver8m/Il048IVqTvCU /cCjr2VKhpBUhWjahr0N4ENijTeIibItY/dfnzOd+w588d9LhHt7wAnp3Fu8IC6T pAXwwSEDoxVo5NX4j1XAggxa8pnAMhyijq3Kqd6ifQnlEfeBiPxDDtUpQzaT3H7C i7tuw8Mn3KU= =VHYj -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . ========================================================================= Ubuntu Security Notice USN-4360-1 May 14, 2020 json-c vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: json-c could be made to execute arbitrary code if it received a specially crafted JSON file. An attacker could possibly use this issue to execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libjson-c4 0.13.1+dfsg-7ubuntu0.1 Ubuntu 19.10: libjson-c4 0.13.1+dfsg-4ubuntu0.1 Ubuntu 18.04 LTS: libjson-c3 0.12.1-1.3ubuntu0.1 Ubuntu 16.04 LTS: libjson-c2 0.11-4ubuntu2.1 libjson0 0.11-4ubuntu2.1 Ubuntu 14.04 ESM: libjson-c2 0.11-3ubuntu1.2+esm1 libjson0 0.11-3ubuntu1.2+esm1 Ubuntu 12.04 ESM: libjson0 0.9-1ubuntu1.2 In general, a standard system update will make all the necessary changes

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

TYPE

code execution

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Red Hat

SOURCES

LAST UPDATE DATE

2026-04-18T19:49:13.236000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE