USN-5355-1: zlib vulnerability
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 18.04
Description
Danilo Ramos discovered that zlib incorrectly handled memory when performing certain deflating operations. An attacker could use this issue to cause zlib to crash, resulting in a denial of service, or possibly execute arbitrary code.
CVEs contained in this USN include: CVE-2018-25032.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Bionic Stemcells
- 1.x versions prior to 1.76
- All other stemcells not listed.
- cflinuxfs3
- All versions prior to 0.280.0
- CF Deployment
- All versions prior to 20.0.0, or later versions with Bionic Stemcells prior to 1.76
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
- Bionic Stemcells
- Upgrade 1.x versions to 1.76 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- cflinuxfs3
- Upgrade all versions to 0.280.0 or greater
- CF Deployment
- Upgrade all versions to 20.0.0 or greater and upgrade Bionic Stemcells to 1.76 or greater
References
History
2022-05-23: Initial vulnerability report published.
