GLSA 202401-24: Nettle: Denial of Service

http://security.gentoo.org/

Severity:	normal
Title:	Nettle: Denial of Service
Date:	01/16/2024
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	Architecture(s)
dev-libs/nettle	< 3.9.1	>= 3.9.1	All supported architectures

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 ">=dev-libs/nettle-3.9.1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202401-24.xml

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.