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Gentoo GLSA-202107-34 FluidSynth Remote Code Execution Moderate Risk

gentoo
Calendar Grey July 15, 2021
Dist Gentoo Esm H88
FluidSynth presents a vulnerability for remote code execution within Gentoo distributions. Ensure you update to version 2.2.0 or more recent to mitigate this risk.
A vulnerability was found in FluidSynth that could result in remote code execution.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo software update code execution remote execution arbitrary code FluidSynth

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 https://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: https://security.gentoo.org/glsa/202107-34
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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 https://bugs.gentoo.org.

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Severity: Normal
Title: FluidSynth: Remote code execution
Date: July 15, 2021
Bugs: #782700
ID: 202107-34

Topics%20covered

Topics Covered

security advisory Gentoo software update code execution remote execution arbitrary code FluidSynth

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-sound/fluidsynth < 2.2.0 >= 2.2.0

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.

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