USN-4327-1: libssh vulnerability
USN-4327-1: libssh vulnerability libssh vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Summary libssh could be made to crash if it received specially crafted network traffic. Software Description libssh – A tiny C SSH library Details Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libssh-4 – 0.9.0-1ubuntu1.4 Ubuntu 18.04 LTS libssh-4 – 0.8.0~20170825.94fa1e38-1ubuntu0.6 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2020-1730 Source: USN-4327-1: libssh vulnerability