From: glsamaker@gentoo.org
To: gentoo-announce@lists.gentoo.org
Subject: [gentoo-announce] [ GLSA 202208-07 ] LibRaw: Stack buffer overread
Date: Wed, 10 Aug 2022 04:06:20 -0000 [thread overview]
Message-ID: <166010438091.7.12662075917553131088@fa4d926cc35c> (raw)
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Gentoo Linux Security Advisory GLSA 202208-07
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https://security.gentoo.org/
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Severity: Low
Title: LibRaw: Stack buffer overread
Date: August 10, 2022
Bugs: #793956
ID: 202208-07
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Synopsis
========
A buffer overread in LibRaw might allow an attacker to cause denial of
service.
Background
==========
LibRaw is a library for reading RAW files obtained from digital photo
cameras.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libraw < 0.20.2 >= 0.20.2
Description
===========
LibRaw incorrectly handles parsing DNG fields in some cases, potentially
resulting in a buffer overread leading to denial of service.
Impact
======
An attacker capable of providing crafted input to LibRaw could trigger denial of service.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All LibRaw users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libraw-0.20.2"
References
==========
[ 1 ] CVE-2020-24870
https://nvd.nist.gov/vuln/detail/CVE-2020-24870
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202208-07
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.
License
=======
Copyright 2022 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.
https://creativecommons.org/licenses/by-sa/2.5
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