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Gentoo Linux Security Advisory GLSA 202107-34 |
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https://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: FluidSynth: Remote code execution |
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Date: July 15, 2021 |
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Bugs: #782700 |
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ID: 202107-34 |
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Synopsis |
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======== |
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|
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A vulnerability was found in FluidSynth that could result in remote |
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code execution. |
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Background |
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========== |
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|
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FluidSynth is a real-time synthesizer based on the Soundfont 2 |
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specifications. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 media-sound/fluidsynth < 2.2.0 >= 2.2.0 |
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|
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Description |
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=========== |
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|
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FluidSynth contains a use-after-free in sfloader/fluid_sffile.c which |
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occurs when parsing Soundfile 2 files. |
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|
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Impact |
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====== |
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|
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A remote attacker could entice a user to open a specially crafted |
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Soundfont 2 file using FluidSynth, possibly resulting in execution of |
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arbitrary code with the privileges of the process or a Denial of |
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Service condition. |
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|
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All FluidSynth users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=media-sound/fluidsynth-2.2.0" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2021-28421 |
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https://nvd.nist.gov/vuln/detail/CVE-2021-28421 |
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|
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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https://security.gentoo.org/glsa/202107-34 |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users' machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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|
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License |
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======= |
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Copyright 2021 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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https://creativecommons.org/licenses/by-sa/2.5 |
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