USN-4038-3: bzip2 regression
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 16.04
- Canonical Ubuntu 18.04
Description
USN-4038-1 fixed a vulnerability in bzip2. The update introduced a regression causing bzip2 to incorrect raises CRC errors for some files.
We apologize for the inconvenience.
Original advisory details:
It was discovered that bzip2 incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code.
CVEs contained in this USN include: CVE-2016-3189, CVE-2019-12900
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Cloud Foundry BOSH xenial-stemcells are vulnerable, including:
- 315.x versions prior to 315.70
- 250.x versions prior to 250.82
- 170.x versions prior to 170.109
- 97.x versions prior to 97.134
- All other stemcells not listed.
- All versions of Cloud Foundry cflinuxfs3 prior to 0.111.0
Mitigation
Users of affected products are strongly encouraged to follow one of the mitigations below:
- The Cloud Foundry project recommends upgrading the following BOSH xenial-stemcells:
- Upgrade 315.x versions to 315.70
- Upgrade 250.x versions to 250.82
- Upgrade 170.x versions to 170.109
- Upgrade 97.x versions to 97.134
- 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 0.111.0 or later.
