RHEL 8 : libfastjson (RHSA-2024:0573)

high Nessus Plugin ID 189809

Synopsis

The remote Red Hat host is missing a security update for libfastjson.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2024:0573 advisory.

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.

Security Fix(es):

* json-c, libfastjson: 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libfastjson package based on the guidance in RHSA-2024:0573.

See Also

http://www.nessus.org/u?565bb960

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1835253

https://access.redhat.com/errata/RHSA-2024:0573

Plugin Details

Severity: High

ID: 189809

File Name: redhat-RHSA-2024-0573.nasl

Version: 1.3

Type: local

Agent: unix

Published: 1/30/2024

Updated: 11/7/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-12762

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:8.8, p-cpe:/a:redhat:enterprise_linux:libfastjson

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/30/2024

Vulnerability Publication Date: 5/9/2020

Reference Information

CVE: CVE-2020-12762

CWE: 787

RHSA: 2024:0573