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Ubuntu Security Notice USN-6733-2
Ubuntu Security Notice 6733-2 - USN-6733-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding updates for Ubuntu 24.04 LTS. 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. 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.
==========================================================================Ubuntu Security Notice USN-6733-2April 29, 2024gnutls28 vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 24.04 LTSSummary:Several security issues were fixed in GnuTLS.Software Description:- gnutls28: GNU TLS libraryDetails:USN-6733-1 fixed vulnerabilities in GnuTLS. This update provides thecorresponding 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 followingpackage versions:Ubuntu 24.04 LTS libgnutls30t64 3.8.3-1.1ubuntu3.1In 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-2024-28835Package Information: https://launchpad.net/ubuntu/+source/gnutls28/3.8.3-1.1ubuntu3.1Related news
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Ubuntu Security Notice 6733-1 - 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. 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.
Ubuntu Security Notice 6733-1 - 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. 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.
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