Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 22.04
Description
It was discovered that OpenSSH incorrectly handled loading certain PKCS#11 providers. If a user forwarded their ssh-agent to an untrusted system, a remote attacker could possibly use this issue to load arbitrary libraries from the user’s system and execute arbitrary code. Update Instructions: Run `sudo pro fix USN-6242-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: openssh-client – 1:8.2p1-4ubuntu0.8 openssh-server – 1:8.2p1-4ubuntu0.8 ssh-askpass-gnome – 1:8.2p1-4ubuntu0.8 ssh – 1:8.2p1-4ubuntu0.8 openssh-tests – 1:8.2p1-4ubuntu0.8 openssh-sftp-server – 1:8.2p1-4ubuntu0.8 No subscription required
CVEs contained in this USN include: CVE-2023-38408.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs4
- All versions prior to 1.24.0
- Jammy Stemcells
- 1.x versions prior to 1.181
- All other stemcells not listed.
- CF Deployment
- All versions with Jammy Stemcells prior to 1.181
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 1.24.0 or greater
- Jammy Stemcells
- Upgrade 1.x versions to 1.181 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 1.181 or greater
References
History
2023-08-10: Initial vulnerability report published.
