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AUSCERT External Security Bulletin Redistribution
ESB-2021.3778
json-c security and bug fix update
10 November 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: json-c
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-12762
Reference: ESB-2020.2678
ESB-2020.1899
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:4382
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Red Hat Security Advisory
Synopsis: Moderate: json-c security and bug fix update
Advisory ID: RHSA-2021:4382-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4382
Issue date: 2021-11-09
CVE Names: CVE-2020-12762
=====================================================================
1. Summary:
An update for json-c is now available for Red Hat Enterprise Linux 8.
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. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - noarch
3. Description:
JSON-C implements a reference counting object model that allows users to
easily construct JavaScript Object Notation (JSON) objects in C, output
them as JSON formatted strings, and parse JSON formatted strings back into
the C representation of JSON objects.
Security Fix(es):
* json-c: integer overflow and out-of-bounds write via a large JSON file
(CVE-2020-12762)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1835253 - CVE-2020-12762 json-c: integer overflow and out-of-bounds write via a large JSON file
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
json-c-debuginfo-0.13.1-2.el8.aarch64.rpm
json-c-debugsource-0.13.1-2.el8.aarch64.rpm
json-c-devel-0.13.1-2.el8.aarch64.rpm
ppc64le:
json-c-debuginfo-0.13.1-2.el8.ppc64le.rpm
json-c-debugsource-0.13.1-2.el8.ppc64le.rpm
json-c-devel-0.13.1-2.el8.ppc64le.rpm
s390x:
json-c-debuginfo-0.13.1-2.el8.s390x.rpm
json-c-debugsource-0.13.1-2.el8.s390x.rpm
json-c-devel-0.13.1-2.el8.s390x.rpm
x86_64:
json-c-debuginfo-0.13.1-2.el8.i686.rpm
json-c-debuginfo-0.13.1-2.el8.x86_64.rpm
json-c-debugsource-0.13.1-2.el8.i686.rpm
json-c-debugsource-0.13.1-2.el8.x86_64.rpm
json-c-devel-0.13.1-2.el8.i686.rpm
json-c-devel-0.13.1-2.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
json-c-0.13.1-2.el8.src.rpm
aarch64:
json-c-0.13.1-2.el8.aarch64.rpm
json-c-debuginfo-0.13.1-2.el8.aarch64.rpm
json-c-debugsource-0.13.1-2.el8.aarch64.rpm
ppc64le:
json-c-0.13.1-2.el8.ppc64le.rpm
json-c-debuginfo-0.13.1-2.el8.ppc64le.rpm
json-c-debugsource-0.13.1-2.el8.ppc64le.rpm
s390x:
json-c-0.13.1-2.el8.s390x.rpm
json-c-debuginfo-0.13.1-2.el8.s390x.rpm
json-c-debugsource-0.13.1-2.el8.s390x.rpm
x86_64:
json-c-0.13.1-2.el8.i686.rpm
json-c-0.13.1-2.el8.x86_64.rpm
json-c-debuginfo-0.13.1-2.el8.i686.rpm
json-c-debuginfo-0.13.1-2.el8.x86_64.rpm
json-c-debugsource-0.13.1-2.el8.i686.rpm
json-c-debugsource-0.13.1-2.el8.x86_64.rpm
Red Hat Enterprise Linux CRB (v. 8):
noarch:
json-c-doc-0.13.1-2.el8.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-12762
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
8. 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.
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