========================================================================== Ubuntu Security Notice USN-7206-3 January 28, 2025
rsync vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 Summary: Several security issues were fixed in rsync. Software Description: - rsync: fast, versatile, remote (and local) file-copying tool Details: USN-7206-1 fixed vulnerabilities in Ubuntu 14.04 LTS to Ubuntu 24.04 LTS. This update provides the corresponding updates for Ubuntu 24.10. Original advisory details: Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync did not properly handle checksum lengths. An attacker could use this issue to execute arbitrary code. (CVE-2024-12084) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync compared checksums with uninitialized memory. An attacker could exploit this issue to leak sensitive information. (CVE-2024-12085) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync incorrectly handled file checksums. A malicious server could use this to expose arbitrary client files. (CVE-2024-12086) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync mishandled symlinks for some settings. An attacker could exploit this to write files outside the intended directory. (CVE-2024-12087) Simon Scannell, Pedro Gallegos, and Jasiel Spelman discovered that rsync failed to verify symbolic link destinations for some settings. An attacker could exploit this for path traversal attacks. (CVE-2024-12088) Aleksei Gorban discovered a race condition in rsync's handling of symbolic links. An attacker could use this to access sensitive information or escalate privileges. (CVE-2024-12747) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10 rsync 3.3.0-1ubuntu0.1 In general, a standard system update will make all the necessary changes. After a standard system update you need to restart rsync daemons if configured to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7206-3 https://ubuntu.com/security/notices/USN-7206-2 https://ubuntu.com/security/notices/USN-7206-1 CVE-2024-12084, CVE-2024-12085, CVE-2024-12086, CVE-2024-12087, CVE-2024-12088, CVE-2024-12747 Package Information: https://launchpad.net/ubuntu/+source/rsync/3.3.0-1ubuntu0.1
