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Ubuntu 22.04 LTS USN-6306-1 Critical: Fast DDS Denial of Service

Fast DDS could be made to crash or expose sensitive information if it received specially crafted input.. ========================================================================== Ubuntu Security Notice USN-6306-1 August 24, 2023 fastdds vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS (Available with Ubuntu Pro) Summary: Fast DDS could be made to crash or expose sensitive information if it received specially crafted input. Software Description: - fastdds: eProsima FastDDS Discovery Server and Tools Details: It was discovered that Fast DDS incorrectly handled certain inputs. A remote attacker could possibly use this issue to cause a denial of service and information exposure. This issue only affected Ubuntu 22.04 LTS. (CVE-2021-38425) It was discovered that Fast DDS incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. (CVE-2023-39534, CVE-2023-39945, CVE-2023-39946, CVE-2023-39947, CVE-2023-39948, CVE-2023-39949) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: fastdds-tools 2.9.1+ds-1ubuntu0.1 libfastrtps2.9 2.9.1+ds-1ubuntu0.1 Ubuntu 22.04 LTS (Available with Ubuntu Pro): fastdds-tools 2.5.0+ds-3ubuntu0.1~esm1 libfastrtps2.5 2.5.0+ds-3ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6306-1 CVE-2021-38425, CVE-2023-39534, CVE-2023-39945, CVE-2023-39946, CVE-2023-39947, CVE-2023-39948, CVE-2023-39949 Package Information: https://launchpad.net/ubuntu/+source/fastdds/2.9.1+ds-1ubuntu0.1 . Recent flaws in Fast DDS can cause severe system failures and unauthorized access to sensitive information.Ensure your Ubuntu operating system is updated to reduce these security threats.. Ubuntu Fast DDS, security advisory, attack mitigation, software vulnerabilities. . Severity: Critical. LinuxSecurity.com Team

Aug 24, 2023 •Critical Ubuntu