Severity
Unknown
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 16.04
Description
USN-4668-1 fixed vulnerabilities in python-apt. The update caused a regression when using certain APIs with a file handle. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Kevin Backhouse discovered that python-apt incorrectly handled resources. A local attacker could possibly use this issue to cause python-apt to consume resources, leading to a denial of service.
Affected Cloud Foundry Products and Versions
Severity is unknown unless otherwise noted.
- Xenial Stemcells
- 456.x versions prior to 456.133
- 621.x versions prior to 621.97
- All other stemcells not listed.
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
- Xenial Stemcells
- Upgrade 456.x versions to 456.133 or greater
- Upgrade 621.x versions to 621.97 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
References
History
2021-02-10: Initial vulnerability report published.
