[gentoo-announce] [ GLSA 202107-34 ] FluidSynth: Remote code execution

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Severity: Normal Title: FluidSynth: Remote code execution Date: July 15, 2021 Bugs: #782700 ID: 202107-34
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Synopsis ========
A vulnerability was found in FluidSynth that could result in remote code execution.
Background ==========
FluidSynth is a real-time synthesizer based on the Soundfont 2 specifications.
Affected packages =================
——————————————————————- Package / Vulnerable / Unaffected ——————————————————————- 1 media-sound/fluidsynth < 2.2.0 >= 2.2.0
Description ===========
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.
Resolution ==========
All FluidSynth users should upgrade to the latest version:
# emerge –sync # emerge –ask –oneshot –verbose “>=media-sound/fluidsynth-2.2.0”
References ==========
[ 1 ] CVE-2021-28421 nvd.nist.gov/vuln/detail/CVE-2021-28421
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
security.gentoo.org/glsa/202107-34
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users’ machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at bugs.gentoo.org.
License =======
Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons – Attribution / Share Alike license.
creativecommons.org/licenses/by-sa/2.5