========================================================================== Ubuntu Security Notice USN-3506-2 December 07, 2017
rsync vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: Several security issues were fixed in rsync. Software Description: - rsync: fast, versatile, remote (and local) file-copying tool Details: USN-3506-1 fixed two vulnerabilities in rsync. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that rsync proceeds with certain file metadata updates before checking for a filename. An attacker could use this to bypass access restrictions. (CVE-2017-17433) It was discovered that rsync does not check for fnamecmp filenames and also does not apply the sanitize_paths protection mechanism to pathnames. An attacker could use this to bypass access restrictions. (CVE-2017-17434) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: rsync 3.0.9-1ubuntu1.2 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3506-2 https://www.ubuntu.com/usn/usn-3506-1 CVE-2017-17433, CVE-2017-17434
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