USN-6390-1: Bind vulnerabilities
It was discovered that Bind incorrectly handled certain control channel messages. A remote attacker with access to the control channel could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2023-3341) Robert Story discovered that Bind incorrectly handled certain DNS-over-TLS 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 23.04. (CVE-2023-4236)
Affected Software
Event History
Frequently Asked Questions
What is the severity of USN-6390-1?
USN-6390-1 has a severity rating of moderate.
How does USN-6390-1 affect Bind?
USN-6390-1 affects Bind by allowing a remote attacker with access to the control channel to cause Bind to crash, resulting in a denial of service.
What is the remedy for USN-6390-1?
The remedy for USN-6390-1 is to upgrade to Bind version 1:9.18.12-1ubuntu1.2 or later.
Which Ubuntu versions are affected by USN-6390-1?
USN-6390-1 affects Ubuntu versions 23.04, 22.04, and 20.04.
Where can I find more information about USN-6390-1?
You can find more information about USN-6390-1 on the Ubuntu Security Notices website.