========================================================================== Ubuntu Security Notice USN-6733-2 April 29, 2024
gnutls28 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: Several security issues were fixed in GnuTLS. Software Description: - gnutls28: GNU TLS library Details: USN-6733-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding updates for Ubuntu 24.04 LTS. Original advisory details: It was discovered that GnuTLS had a timing side-channel when performing certain ECDSA operations. A remote attacker could possibly use this issue to recover sensitive information. (CVE-2024-28834) It was discovered that GnuTLS incorrectly handled verifying certain PEM bundles. A remote attacker could possibly use this issue to cause GnuTLS to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.10. (CVE-2024-28835) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS libgnutls30t64 3.8.3-1.1ubuntu3.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6733-2 https://ubuntu.com/security/notices/USN-6733-1 CVE-2024-28834, CVE-2024-28835 Package Information: https://launchpad.net/ubuntu/+source/gnutls28/3.8.3-1.1ubuntu3.1
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Description: OpenPGP digital signature
