USN-5848-1: less vulnerability
Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 22.04
Description
David Leadbeater discovered that less was not properly handling escape sequences when displaying raw control characters. A maliciously formed OSC 8 hyperlink could be used by an attacker to perform a denial of service. Update Instructions: Run `sudo pro fix USN-5848-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: less – 590-1ubuntu0.22.04.1 No subscription required
CVEs contained in this USN include: CVE-2022-46663.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs4
- All versions prior to 0.63.0
- Jammy Stemcells
- v1.x versions prior to 1.93
- All other stemcells not listed.
- CF Deployment
- All versions with Jammy Stemcells prior to 1.93
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 0.63.0 or greater
- Jammy Stemcells
- Upgrade v1.x versions to 1.93 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 1.93 or greater
References
History
2023-04-20: Initial vulnerability report published.
