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Ubuntu 22.04 LTS: USN-5461-1 Critical: FreeRDP Authentication Issue

FreeRDP could allow unintended access to network services.. =========================================================================Ubuntu Security Notice USN-5461-1 June 06, 2022 freerdp2 vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 21.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: FreeRDP could allow unintended access to network services. Software Description: - freerdp2: RDP client for Windows Terminal Services Details: It was discovered that FreeRDP incorrectly handled empty password values. A remote attacker could use this issue to bypass server authentication. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. (CVE-2022-24882) It was discovered that FreeRDP incorrectly handled server configurations with an invalid SAM file path. A remote attacker could use this issue to bypass server authentication. (CVE-2022-24883) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: libfreerdp-client2-2 2.6.1+dfsg1-3ubuntu2.1 libfreerdp-server2-2 2.6.1+dfsg1-3ubuntu2.1 Ubuntu 21.10: libfreerdp-client2-2 2.3.0+dfsg1-2ubuntu0.2 libfreerdp-server2-2 2.3.0+dfsg1-2ubuntu0.2 Ubuntu 20.04 LTS: libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.20.04.3 libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.20.04.3 Ubuntu 18.04 LTS: libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.18.04.3 libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.18.04.3 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5461-1 CVE-2022-24882, CVE-2022-24883 Package Information: https://launchpad.net/ubuntu/+source/freerdp2/2.6.1+dfsg1-3ubuntu2.1 https://launchpad.net/ubuntu/+source/freerdp2/2.3.0+dfsg1-2ubuntu0.2 https://launchpad.net/ubuntu/+source/freerdp2/2.2.0+dfsg1-0ubuntu0.20.04.3 https://launchpad.net/ubuntu/+source/freerdp2/2.2.0+dfsg1-0ubuntu0.18.04.3 . Critically, recent FreeRDP flaws unveil unexpected network exposure issues in various Ubuntu versions, necessitating immediate updates and security patches.. freerdp vulnerabilities, remote access security, ubuntu patches. . Severity: Critical. LinuxSecurity.com Team

Jun 06, 2022 •Critical Ubuntu