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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2024.0323 USN-6559-1: ZooKeeper vulnerabilities 18 January 2024 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ZooKeeper Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2023-44981 CVE-2019-0201 Original Bulletin: https://ubuntu.com/security/notices/USN-6559-1 Comment: CVSS (Max): 9.1 CVE-2023-44981 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N) CVSS Source: Ubuntu Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- USN-6559-1: ZooKeeper vulnerabilities 16 January 2024 Several security issues were fixed in ZooKeeper. Releases o Ubuntu 23.10 o Ubuntu 23.04 o Ubuntu 22.04 LTS o Ubuntu 20.04 LTS o Ubuntu 18.04 ESM o Ubuntu 16.04 ESM o Ubuntu 14.04 ESM Packages o zookeeper - High-performance coordination service for distributed applications Details It was discovered that ZooKeeper incorrectly handled authorization for the getACL() command. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. ( CVE-2019-0201 ) Damien Diederen discovered that ZooKeeper incorrectly handled authorization if SASL Quorum Peer authentication is enabled. An attacker could possibly use this issue to bypass ZooKeeper's authorization system. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04 and Ubuntu 23.10. ( CVE-2023-44981 ) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10 o libzookeeper-java - 3.8.0-11ubuntu0.1 Ubuntu 23.04 o libzookeeper-java - 3.8.0-10ubuntu0.1 Ubuntu 22.04 o libzookeeper-java - 3.4.13-6ubuntu4.1 Ubuntu 20.04 o libzookeeper-java - 3.4.13-5ubuntu0.1 Ubuntu 18.04 o libzookeeper-java - 3.4.13-3ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 o libzookeeper-java - 3.4.8-1ubuntu0.1~esm2 Available with Ubuntu Pro Ubuntu 14.04 o libzookeeper-java - 3.4.5+dfsg-1ubuntu0.1~esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References o CVE-2023-44981 o CVE-2019-0201 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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