Stay Secure with the Latest Linux Advisories

security advisorysecurity issuecritical

Ubuntu 18.04 LTS USN-6519-1 critical: EC2 hibagent IMDSv2 support

A security improvement was added to EC2 hibagent.. ========================================================================== Ubuntu Security Notice USN-6519-1 November 28, 2023 ec2-hibinit-agent update ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS (Available with Ubuntu Pro) Summary: A security improvement was added to EC2 hibagent. Software Description: - ec2-hibinit-agent: Amazon EC2 hibernation agent Details: The EC2 hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol and is no longer recommended. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS (Available with Ubuntu Pro): ec2-hibinit-agent 1.0.0-0ubuntu4~18.04.6+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6519-1 . Ubuntu USN-6519-1 enhances ec2-hibinit-agent security by enforcing IMDSv2, promoting session-based requests to combat metadata exposure vulnerabilities. Ubuntu 18.04 EC2 Update, Security Improvements, IMDSv2 Support. . Severity: Critical. LinuxSecurity.com Team

Nov 28, 2023 •Critical Ubuntu