Severity
Medium
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 22.04
Description
Rob Schulhof discovered that Bind incorrectly handled a large number of UPDATE messages. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. (CVE-2022-3094) Borja Marcos discovered that Bind incorrectly handled certain RRSIG queries. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-3736) Maksym Odinintsev discovered that Bind incorrectly handled certain answers from stale cache. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-3924) Update Instructions: Run `sudo pro fix USN-5827-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: dnsutils – 1:9.16.1-0ubuntu2.12 bind9-libs – 1:9.16.1-0ubuntu2.12 bind9utils – 1:9.16.1-0ubuntu2.12 bind9-doc – 1:9.16.1-0ubuntu2.12 bind9-utils – 1:9.16.1-0ubuntu2.12 bind9 – 1:9.16.1-0ubuntu2.12 bind9-dnsutils – 1:9.16.1-0ubuntu2.12 bind9-host – 1:9.16.1-0ubuntu2.12 No subscription required
CVEs contained in this USN include: CVE-2022-3094, CVE-2022-3736, CVE-2022-3924.
Affected Cloud Foundry Products and Versions
Severity is medium unless otherwise noted.
- cflinuxfs4
-
- All versions prior to 0.62.0
- Jammy Stemcells
-
- 1.x versions prior to 1.83
- All other stemcells not listed.
- CF Deployment
-
- All versions with Jammy Stemcells prior to 1.83
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 0.62.0 or greater
- Jammy Stemcells
-
- Upgrade 1.x versions to 1.83 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 1.83 or greater
References
History
2023-02-24: Initial vulnerability report published.
