GLSA-202107-34 : FluidSynth: Remote code execution

critical Nessus Plugin ID 156992

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202107-34 (FluidSynth: Remote code execution)

FluidSynth contains a use-after-free in sfloader/fluid_sffile.c which occurs when parsing Soundfile 2 files.
Impact :

A remote attacker could entice a user to open a specially crafted Soundfont 2 file using FluidSynth, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All FluidSynth users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-sound/fluidsynth-2.2.0'

Plugin Details

Severity: Critical

ID: 156992

File Name: gentoo_GLSA-202107-34.nasl

Version: 1.4

Type: local

Family: Gentoo Local Security Checks

Published: 1/24/2022

Updated: 12/21/2023

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-28421

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:fluidsynth, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/15/2021

Vulnerability Publication Date: 4/13/2021

Reference Information

CVE: CVE-2021-28421

GLSA: 202107-34

Detections

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