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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.

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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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