USN-3506-1: rsync vulnerabilities
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 14.04
Description
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)
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Cloud Foundry BOSH stemcells are vulnerable, including:
- 3363.x versions prior to 3363.44
- 3421.x versions prior to 3421.34
- 3445.x versions prior to 3445.19
- 3468.x versions prior to 3468.13
- All other stemcells not listed.
- All versions of Cloud Foundry cflinuxfs2 prior to 1.174.0
Mitigation
OSS users are strongly encouraged to follow one of the mitigations below:
- The Cloud Foundry project recommends upgrading the following BOSH stemcells:
- Upgrade 3363.x versions to 3363.44
- Upgrade 3421.x versions to 3421.34
- Upgrade 3445.x versions to 3445.19
- Upgrade 3468.x versions to 3468.13
- All other stemcells should be upgraded to the latest version available on bosh.io.
- The Cloud Foundry project recommends that Cloud Foundry deployments run with cflinuxfs2 version 1.174.0 or later.
