Debian DLA-3461-1 : libfastjson - LTS security update

high Nessus Plugin ID 177513

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3461 advisory.

- json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. (CVE-2020-12762)

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

Solution

Upgrade the libfastjson packages.

For Debian 10 buster, this problem has been fixed in version 0.99.8-2+deb10u1.

Plugin Details

Severity: High

ID: 177513

File Name: debian_DLA-3461.nasl

Version: 1.0

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/22/2023

Updated: 6/22/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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: p-cpe:/a:debian:debian_linux:libfastjson4, p-cpe:/a:debian:debian_linux:libfastjson-dev, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/20/2023

Vulnerability Publication Date: 5/9/2020

Reference Information

CVE: CVE-2020-12762

Detections

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