Headline
Gentoo Linux Security Advisory 202401-24
Gentoo Linux Security Advisory 202401-24 - Multiple denial of service vulnerabilities have been discovered in Nettle. Versions greater than or equal to 3.9.1 are affected.
Gentoo Linux Security Advisory GLSA 202401-24
https://security.gentoo.org/
Severity: Normal
Title: Nettle: Denial of Service
Date: January 16, 2024
Bugs: #806839, #907673
ID: 202401-24
Synopsis
Multiple denial of service vulnerabilities have been discovered in
Nettle.
Background
Nettle is a cryptographic library that is designed to fit easily in
almost any context: In cryptographic toolkits for object-oriented
languages, such as C++, Python, or Pike, in applications like lsh or
GnuPG, or even in kernel space.
Affected packages
Package Vulnerable Unaffected
dev-libs/nettle < 3.9.1 >= 3.9.1
Description
Multiple vulnerabilities have been discovered in Nettle. Please review
the CVE identifiers referenced below for details.
Impact
A flaw was found in the way nettle’s RSA decryption functions handled
specially crafted ciphertext. An attacker could use this flaw to provide
a manipulated ciphertext leading to application crash and denial of
service.
Workaround
There is no known workaround at this time.
Resolution
All Nettle users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose “>Þv-libs/nettle-3.9.1”
References
[ 1 ] CVE-2021-3580
https://nvd.nist.gov/vuln/detail/CVE-2021-3580
[ 2 ] CVE-2023-36660
https://nvd.nist.gov/vuln/detail/CVE-2023-36660
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202401-24
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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
Copyright 2024 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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