Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
Description
Clément Berthaux discovered that Bind did not correctly check TSIG authentication for zone update requests. An attacker could use this to improperly perform zone updates. (CVE-2017-3143)
Clément Berthaux discovered that Bind did not correctly check TSIG authentication for zone transfer requests. An attacker could use this to improperly transfer entire zones. (CVE-2017-3142)
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Cloud Foundry BOSH stemcells are vulnerable, including:
- 3312.x versions prior to 3312.32
- 3363.x versions prior to 3363.29
- 3421.x versions prior to 3421.18
- All other stemcells not listed.
- All versions of Cloud Foundry cflinuxfs2 prior to 1.135.0
Mitigation
OSS users are strongly encouraged to follow one of the mitigations below:
- The Cloud Foundry project recommends upgrading the following BOSH stemcells:
- Upgrade 3312.x versions prior to 3312.32
- Upgrade 3363.x versions prior to 3363.29
- Upgrade 3421.x versions prior to 3421.18
- 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 1.135.0 or later.
References