[gentoo-announce] [ GLSA 202104-06 ] libTIFF: Multiple vulnerabilities

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Severity: Normal Title: libTIFF: Multiple vulnerabilities Date: April 30, 2021 Bugs: #775125 ID: 202104-06
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Synopsis ========
Multiple vulnerabilities have been found in LibTIFF, the worst of which could result in the execution of arbitrary code.
Background ==========
The TIFF library contains encoding and decoding routines for the Tag Image File Format. It is called by numerous programs, including GNOME and KDE applications, to interpret TIFF images.
Affected packages =================
——————————————————————- Package / Vulnerable / Unaffected ——————————————————————- 1 media-libs/tiff < 4.2.0 >= 4.2.0
Description ===========
Multiple vulnerabilities have been discovered in LibTIFF. Please review the referenced CVE identifiers for details.
Impact ======
A remote attacker, by enticing the user to process a specially crafted TIFF file, could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All LibTIFF users should upgrade to the latest version:
# emerge –sync # emerge –ask –oneshot –verbose “>=media-libs/tiff-4.2.0”
References ==========
[ 1 ] CVE-2020-35521 nvd.nist.gov/vuln/detail/CVE-2020-35521 [ 2 ] CVE-2020-35522 nvd.nist.gov/vuln/detail/CVE-2020-35522 [ 3 ] CVE-2020-35523 nvd.nist.gov/vuln/detail/CVE-2020-35523 [ 4 ] CVE-2020-35524 nvd.nist.gov/vuln/detail/CVE-2020-35524
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
security.gentoo.org/glsa/202104-06
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