USN-4236-2: Libgcrypt vulnerability
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 16.04
Description
USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS.
Original advisory details:
It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.
CVEs contained in this USN include: CVE-2019-13627.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- Xenial Stemcells
- 621.x versions prior to 621.50
- 456.x versions prior to 456.93
- 315.x versions prior to 315.163
- 250.x versions prior to 250.178
- 170.x versions prior to 170.198
- 97.x versions prior to 97.226
- 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 621.x versions to 621.50 or greater
- Upgrade 456.x versions to 456.93 or greater
- Upgrade 315.x versions to 315.163 or greater
- Upgrade 250.x versions to 250.178 or greater
- Upgrade 170.x versions to 170.198 or greater
- Upgrade 97.x versions to 97.226 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
References
History
2020-01-14: Initial vulnerability report published.
