From security em unicamp.br Tue Jul 16 15:41:31 2024 From: security em unicamp.br (CSIRT Unicamp) Date: Tue, 16 Jul 2024 15:41:31 -0300 Subject: [SECURITY-L] Ubuntu 23.10 (Mantic Minotaur) reached End of Life on July 11, 2024 In-Reply-To: <6696b45f.050a0220.fe2ea.68c5@mx.google.com> References: <6696b45f.050a0220.fe2ea.68c5@mx.google.com> Message-ID: This is a follow-up to the End of Life warning sent earlier to confirm that as of July 11, 2024, Ubuntu 23.10 is no longer supported. No more package updates will be accepted to 23.10, and it will be archived to old-releases.ubuntu.com in the coming weeks. Additionally, Ubuntu Security Notices will no longer include information or updated packages for Ubuntu 23.10. The supported upgrade path from Ubuntu 23.10 is to Ubuntu 24.04 LTS. Instructions and caveats for the upgrade may be found at: https://help.ubuntu.com/community/NobleUpgrades Ubuntu 24.04 LTS continues to be actively supported with security updates and select high-impact bug fixes. Announcements of security updates for Ubuntu releases are sent to the ubuntu-security-announce mailing list, information about which may be found at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce Since its launch in October 2004, Ubuntu has become one of the most highly regarded Linux distributions with millions of users in homes, schools, businesses and governments around the world. Ubuntu is Open Source software, costs nothing to download, and users are free to customise or alter their software in order to meet their needs. On behalf of the Ubuntu Release Team, Graham Inggs === Computer Security Incident Response Team - CSIRT Universidade Estadual de Campinas - Unicamp Centro de Computacao - CCUEC GnuPG Public Key: http://www.security.unicamp.br/security.asc [^] Contato: +55 19 3521-2289 ou INOC-DBA: 1251*830 -------------- Próxima Parte ---------- Um anexo em HTML foi limpo... URL: From security em unicamp.br Tue Jul 23 14:22:11 2024 From: security em unicamp.br (CSIRT Unicamp) Date: Tue, 23 Jul 2024 14:22:11 -0300 Subject: [SECURITY-L] CVE-2024-0760: A flood of DNS messages over TCP may make the server unstable Message-ID: *Original: *https://kb.isc.org/docs/cve-2024-0760 *CVE:* CVE-2024-0760 *Title:* A flood of DNS messages over TCP may make the server unstable *Document version:* 2.0 *Posting date:* 23 July 2024 *Program impacted:* BIND 9 *Versions affected:* BIND - 9.18.1 -> 9.18.27 - 9.19.0 -> 9.19.24 (Versions prior to 9.18.1 were not assessed.) BIND Supported Preview Edition - 9.18.11-S1 -> 9.18.27-S1 (Versions prior to 9.18.24-S1 were not assessed.) *Severity:* High *Exploitable:* Remotely *Description:* A malicious client can send many DNS messages over TCP, potentially causing the server to become unstable while the attack is in progress. The server may recover after the attack ceases. Use of ACLs will not mitigate the attack. *Impact:* The server can become unresponsive until sometime after the attack ends. *CVSS Score:* 7.5 *CVSS Vector:* CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H For more information on the Common Vulnerability Scoring System and to obtain your specific environmental score please visit: https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H&version=3.1 . *Workarounds:* No workarounds known. *Active exploits:* This flaw was discovered in internal testing. We are not aware of any active exploits. *Solution:* Upgrade to the patched release most closely related to your current version of BIND 9: - 9.18.28 - 9.20.0 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. - 9.18.28-S1 *Document revision history:* - 1.0 Early Notification, 10 July 2024 - 1.1 Revised public disclosure date, 16 July 2024 - 2.0 Public disclosure, 23 July 2024 *Related documents:* See our BIND 9 Security Vulnerability Matrix for a complete listing of security vulnerabilities and versions affected. *Do you still have questions?* Questions regarding this advisory should be mailed to bind-security em isc.org or posted as confidential GitLab issues at https://gitlab.isc.org/isc-projects/bind9/-/issues/new?issue[confidential]=true . *Note:* ISC patches only currently supported versions. When possible we indicate EOL versions affected. For current information on which versions are actively supported, please see https://www.isc.org/download/. *ISC Security Vulnerability Disclosure Policy:* Details of our current security advisory policy and practice can be found in the ISC Software Defect and Security Vulnerability Disclosure Policy at https://kb.isc.org/docs/aa-00861. The Knowledgebase article https://kb.isc.org/docs/cve-2024-0760 is the complete and official security advisory document. *Legal Disclaimer:* Internet Systems Consortium (ISC) is providing this notice on an "AS IS" basis. No warranty or guarantee of any kind is expressed in this notice and none should be implied. ISC expressly excludes and disclaims any warranties regarding this notice or materials referred to in this notice, including, without limitation, any implied warranty of merchantability, fitness for a particular purpose, absence of hidden defects, or of non-infringement. Your use or reliance on this notice or materials referred to in this notice is at your own risk. ISC may change this notice at any time. A stand-alone copy or paraphrase of the text of this document that omits the document URL is an uncontrolled copy. Uncontrolled copies may lack important information, be out of date, or contain factual errors. === Computer Security Incident Response Team - CSIRT Universidade Estadual de Campinas - Unicamp Centro de Computacao - CCUEC GnuPG Public Key: http://www.security.unicamp.br/security.asc [^] Contato: +55 19 3521-2289 ou INOC-DBA: 1251*830 -------------- Próxima Parte ---------- Um anexo em HTML foi limpo... URL: