지락문화예술공작단

USN-4290-2: libpam-radius-auth vulnerability libpam-radius-auth vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary libpam-radius-auth could be made to crash if it received specially crafted network traffic. Software Description libpam-radius-auth – The PAM RADIUS authentication module Details USN-4290-1 fixed a vulnerability in libpam-radius-auth. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that libpam-radius-auth incorrectly handled certain long passwords. A remote attacker could possibly use this issue to cause libpam-radius-auth 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 14.04 ESM libpam-radius-auth – 1.3.17-0ubuntu4+esm1 Ubuntu 12.04 ESM libpam-radius-auth – 1.3.17-0ubuntu3.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system [ more… ]

USN-4294-1: OpenSMTPD vulnerabilities OpenSMTPD vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Summary Several security issues were fixed in opensmtpd. Software Description opensmtpd – secure, reliable, lean, and easy-to configure SMTP server Details It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as any non-root user. (CVE-2020-8794) It was discovered that OpenSMTPD did not properly handle hardlinks under certain conditions. An unprivileged local attacker could read the first line of any file on the filesystem. (CVE-2020-8793) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 opensmtpd – 6.0.3p1-6ubuntu0.2 Ubuntu 18.04 LTS opensmtpd – 6.0.3p1-1ubuntu0.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will [ more… ]