Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 22.04
Description
It was discovered that OpenSSL failed to choose an appropriately short private key size when computing shared-secrets in the Diffie-Hellman Key Agreement Protocol. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. Update Instructions: Run `sudo pro fix USN-6854-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: libssl-dev – 3.0.2-0ubuntu1.16 libssl-doc – 3.0.2-0ubuntu1.16 libssl3 – 3.0.2-0ubuntu1.16 openssl – 3.0.2-0ubuntu1.16 No subscription required
CVEs contained in this USN include: CVE-2022-40735.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs4
- All versions prior to 1.99.0
- Jammy Stemcells
- 1.x versions prior to 1.486
- All other stemcells not listed.
- CF Deployment
- All versions with Jammy Stemcells prior to 1.486
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below.
The Cloud Foundry project recommends upgrading the following releases:
- cflinuxfs4
- Upgrade all versions to 1.99.0 or greater
- Jammy Stemcells
- Upgrade 1.x versions to 1.486 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
- CF Deployment
- For all versions, upgrade Jammy Stemcells to 1.486 or greater
References
History
2024-07-25: Initial vulnerability report published.
