ID

VAR-202005-0397

CVE

CVE-2020-12762

TITLE

json-c Input validation error vulnerability

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4741-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff August 05, 2020 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : json-c CVE ID : CVE-2020-12762 Tobias Stoeckmann discovered an integer overflow in the json-c JSON library, which could result in denial of service or potentially the execution of arbitrary code if large malformed JSON files are processed. For the stable distribution (buster), this problem has been fixed in version 0.12.1+ds-2+deb10u1. We recommend that you upgrade your json-c packages. For the detailed security status of json-c please refer to its security tracker page at: https://security-tracker.debian.org/tracker/json-c Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAl8rIQAACgkQEMKTtsN8 Tja2AhAAnmUkzQY3bKccw3g1liPtB74YPg+um3Q3KVMbpKzMKpumq4PKwr1P/hW/ 6EWRfxgkzJbk9YZ8wDLkb/FospcMf0AMdCUqLXmyUwlBttBDgSq33301Fjl/Coz5 O0J3FWM+b8+ZoEKVDfAA/xS/TGsF0mKABL2hvws682gMHYTJ+oLuQp1d/xHQgXyY OsOq+oPjnZ7qqoZDtl99NANESTXkUUWmhwk8Urkc+NqBkYYyym86hr+o/7jk1o3f 2mTCQE5czCz7hfgkHsJSCBHJYKZYxML/WYaAwLqvI2ORuw0kxcpITsTD820TX7D1 Lv+4BFmiybCdkHL09k++vhz/NRZVc/ZGbhf5ciOu5anB+3akw3snh8OAhkUupFAx wvHJ8bsESCnnl/ZzWGrP2dsW4qrDTzY7x7fNINmcwS+DDOy3ySvPczi46AggbRyj +DodDfjvcRjAUOuDDopNVGvESckoemdM5W6MVYF6M9N/7njZBXW/MQ3jl3Dv/V0C EzV//6dXk36PPUW9UD2IQqSET6r4qw5KOMOgMin8ywYJyBOqm+JU/LCDEeJFr3P/ Pl5QXKibZWUuoU3QFlww+6UmCI1T8KVXiFnBZNTSnaFCTKhDeIV0ZvqKYz2nmvpK b4UqeR9P1cfOV4V4LvQbSNhEDvel1Zx5PtnYseiQUav9rdDlc3w= =y5YC -----END PGP SIGNATURE----- . Bugs fixed (https://bugzilla.redhat.com/): 2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: Red Hat Advanced Cluster Management 2.2.11 security updates and bug fixes Advisory ID: RHSA-2022:0856-01 Product: Red Hat ACM Advisory URL: https://access.redhat.com/errata/RHSA-2022:0856 Issue date: 2022-03-14 CVE Names: 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-2020-0465 CVE-2020-0466 CVE-2020-12762 CVE-2020-13435 CVE-2020-14155 CVE-2020-16135 CVE-2020-24370 CVE-2020-25709 CVE-2020-25710 CVE-2021-0920 CVE-2021-3200 CVE-2021-3426 CVE-2021-3445 CVE-2021-3521 CVE-2021-3564 CVE-2021-3572 CVE-2021-3573 CVE-2021-3580 CVE-2021-3712 CVE-2021-3752 CVE-2021-3800 CVE-2021-3872 CVE-2021-3984 CVE-2021-4019 CVE-2021-4122 CVE-2021-4155 CVE-2021-4192 CVE-2021-4193 CVE-2021-20231 CVE-2021-20232 CVE-2021-22876 CVE-2021-22898 CVE-2021-22925 CVE-2021-23434 CVE-2021-25214 CVE-2021-27645 CVE-2021-28153 CVE-2021-33560 CVE-2021-33574 CVE-2021-35942 CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 CVE-2021-39241 CVE-2021-40346 CVE-2021-42574 CVE-2022-0155 CVE-2022-0185 CVE-2022-0330 CVE-2022-22942 CVE-2022-24407 ===================================================================== 1. Summary: Red Hat Advanced Cluster Management for Kubernetes 2.2.11 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 Moderate. 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 2.2.11 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 updates: * object-path: Type confusion vulnerability can lead to a bypass of CVE-2020-15256 (CVE-2021-23434) * follow-redirects: Exposure of Private Personal Information to an Unauthorized Actor (CVE-2022-0155) Related bugs: * RHACM 2.2.11 images (Bugzilla #2029508) * ClusterImageSet has 4.5 which is not supported in ACM 2.2.10 (Bugzilla #2030859) 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/): 1999810 - CVE-2021-23434 object-path: Type confusion vulnerability can lead to a bypass of CVE-2020-15256 2029508 - RHACM 2.2.11 images 2030859 - ClusterImageSet has 4.5 which is not supported in ACM 2.2.10 2044556 - CVE-2022-0155 follow-redirects: Exposure of Private Personal Information to an Unauthorized Actor 5. References: 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-2020-0465 https://access.redhat.com/security/cve/CVE-2020-0466 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-2020-14155 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-2020-25709 https://access.redhat.com/security/cve/CVE-2020-25710 https://access.redhat.com/security/cve/CVE-2021-0920 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-2021-3521 https://access.redhat.com/security/cve/CVE-2021-3564 https://access.redhat.com/security/cve/CVE-2021-3572 https://access.redhat.com/security/cve/CVE-2021-3573 https://access.redhat.com/security/cve/CVE-2021-3580 https://access.redhat.com/security/cve/CVE-2021-3712 https://access.redhat.com/security/cve/CVE-2021-3752 https://access.redhat.com/security/cve/CVE-2021-3800 https://access.redhat.com/security/cve/CVE-2021-3872 https://access.redhat.com/security/cve/CVE-2021-3984 https://access.redhat.com/security/cve/CVE-2021-4019 https://access.redhat.com/security/cve/CVE-2021-4122 https://access.redhat.com/security/cve/CVE-2021-4155 https://access.redhat.com/security/cve/CVE-2021-4192 https://access.redhat.com/security/cve/CVE-2021-4193 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-2021-22876 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-2021-23434 https://access.redhat.com/security/cve/CVE-2021-25214 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-2021-35942 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-2021-39241 https://access.redhat.com/security/cve/CVE-2021-40346 https://access.redhat.com/security/cve/CVE-2021-42574 https://access.redhat.com/security/cve/CVE-2022-0155 https://access.redhat.com/security/cve/CVE-2022-0185 https://access.redhat.com/security/cve/CVE-2022-0330 https://access.redhat.com/security/cve/CVE-2022-22942 https://access.redhat.com/security/cve/CVE-2022-24407 https://access.redhat.com/security/updates/classification/#moderate 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYi+vA9zjgjWX9erEAQgTqA/+J2DQsJewk+7lcFiIFg2V/pbB8hc0RsP5 KbxZaTfWXw0Awen3M5xN9iwKH8v3zdgwKMiEdPi4STFxQEoyOATJ6f8n1tIrZtEv yvR4I/fCTeQZYZJDPuCaUl0xkL7yFMqKumSsVeTI/zUWDQB5Ifv30KMX68FV2UUW 1T/A0gMzdsCOGNh89jw1tvehqsxfUsBZbv2oqTJkSGsCeBQohuP58MHUeYXzGy5M HAJhRfgJYTcQneRiUt3PIlH737YjkXW5vO4sYqmyS30SvEtT7HK12qnw9DuBk7bs tPDvuNy2DFF7S3HARQAgsPDWJQvMBdu96Vm9XHsVHYs/jSrj2B05wAwvYKp5J2q8 WhghlFQnU2QJvaDslUhnC6gz6CqHhU971qSSRWdyrdOLe+56pTg1g1YgJ2V46sIv b6+9UIFMg0IgHuX9Ys/MVMqXaNOv3tvglmzIGbGsFKE8afZ8FPykaWx1His8fg1b LxDe8x1eBHDGL28Q4fPmTRcZ6kusODotZPnc8Bv1Y8z+EdDBATI7OZhx9ePpb1fL GsXBkFvFEaVwTHKWwA3RwTV3uj2rUP7ZCHJuJSaVuZPxhlhY/Q1bXZhSh5aY1oSk +YUU9HGz9zRJMVHFiuFYp0zrrOFOGw7PGXUr4/+/pPFJkWOVApYvlsgx7DvkyYmB Xdiu19jyuh4= =lH1Z -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . 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. Description: OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. Bugs fixed (https://bugzilla.redhat.com/): 1983596 - CVE-2021-34558 golang: crypto/tls: certificate of wrong type is causing TLS client to panic 1992006 - CVE-2021-29923 golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet 1997017 - unprivileged client fails to get guest agent data 1998855 - Node drain: Sometimes source virt-launcher pod status is Failed and not Completed 2000251 - RoleBinding and ClusterRoleBinding brought in by kubevirt does not get reconciled when kind is ServiceAccount 2001270 - [VMIO] [Warm from Vmware] Snapshot files are not deleted after Successful Import 2001281 - [VMIO] [Warm from VMware] Source VM should not be turned ON if vmio import is removed 2001901 - [4.8.3] NNCP creation failures after nmstate-handler pod deletion 2007336 - 4.8.3 containers 2007776 - Failed to Migrate Windows VM with CDROM (readonly) 2008511 - [CNV-4.8.3] VMI is in LiveMigrate loop when Upgrading Cluster from 2.6.7/4.7.32 to OCP 4.8.13 2012890 - With descheduler during multiple VMIs migrations, some VMs are restarted 2025475 - [4.8.3] Upgrade from 2.6 to 4.x versions failed due to vlan-filtering issues 2026881 - [4.8.3] vlan-filtering is getting applied on veth ports 5. Summary: The Migration Toolkit for Containers (MTC) 1.5.2 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. Security Fix(es): * nodejs-immer: prototype pollution may lead to DoS or remote code execution (CVE-2021-3757) * mig-controller: incorrect namespaces handling may lead to not authorized usage of Migration Toolkit for Containers (MTC) (CVE-2021-3948) 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. 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/): 2000734 - CVE-2021-3757 nodejs-immer: prototype pollution may lead to DoS or remote code execution 2005438 - Combining Rsync and Stunnel in a single pod can degrade performance (1.5 backport) 2006842 - MigCluster CR remains in "unready" state and source registry is inaccessible after temporary shutdown of source cluster 2007429 - "oc describe" and "oc log" commands on "Migration resources" tree cannot be copied after failed migration 2022017 - CVE-2021-3948 mig-controller: incorrect namespaces handling may lead to not authorized usage of Migration Toolkit for Containers (MTC) 5

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

input validation error

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Red Hat

SOURCES

LAST UPDATE DATE

2026-06-25T02:16:13.582000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE