USN-3759-1: libtirpc vulnerabilities
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 14.04
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-4429)
It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14622)
It was discovered that libtirpc incorrectly handled certain strings. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-8779)
CVEs contained in this USN include: CVE-2016-4429, CVE-2016-4429, CVE-2017-8779, CVE-2018-14622
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Cloud Foundry BOSH trusty-stemcells are vulnerable, including:
- 3586.x versions prior to 3586.42
- 3541.x versions prior to 3541.48
- 3468.x versions prior to 3468.69
- 3445.x versions prior to 3445.67
- 3421.x versions prior to 3421.82
- 3363.x versions prior to 3363.75
- All other stemcells not listed.
- Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
- 97.x versions prior to 97.16
- All other stemcells not listed.
- All versions of Cloud Foundry cflinuxfs3 prior to 0.20.0
Mitigation
Users of affected products are strongly encouraged to follow one of the mitigations below:
- The Cloud Foundry project recommends upgrading the following BOSH trusty-stemcells:
- Upgrade 3586.x versions to 3586.42
- Upgrade 3541.x versions to 3541.48
- Upgrade 3468.x versions to 3468.69
- Upgrade 3445.x versions to 3445.67
- Upgrade 3421.x versions to 3421.82
- Upgrade 3363.x versions to 3363.75
- All other stemcells should be upgraded to the latest version available on bosh.io.
- The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
- Upgrade 97.x versions to 97.16
- 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 cflinuxfs3 version 0.20.0 or later.
