SECURITY

USN-3554-1: curl vulnerabilities Ubuntu Security Notice USN-3554-1 31st January, 2018 curl vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in curl. Software description curl – HTTP, HTTPS, and FTP client and client libraries Details It was discovered that curl incorrectly handled certain data. An attackercould possibly use this to cause a denial of service or even to get accessto sensitive data. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. It was discovered that curl could accidentally leak authentication data.An attacker could possibly use this to get access to sensitive information.(CVE-2018-1000007) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: libcurl3-nss 7.55.1-1ubuntu2.3 curl 7.55.1-1ubuntu2.3 libcurl3-gnutls 7.55.1-1ubuntu2.3 libcurl3 7.55.1-1ubuntu2.3 Ubuntu 16.04 LTS: libcurl3-nss [ more… ]

USN-3554-2: curl vulnerability Ubuntu Security Notice USN-3554-2 31st January, 2018 curl vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary curl could be made to expose sensitive information. Software description curl – HTTP, HTTPS, and FTP client and client libraries Details USN-3554-1 fixed vulnerabilities in curl. This updateprovides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that curl could accidentally leak authentication data. An attacker could possibly use this to get access to sensitive information. (CVE-2018-1000007) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: libcurl3-nss 7.22.0-3ubuntu4.20 curl 7.22.0-3ubuntu4.20 libcurl3-gnutls 7.22.0-3ubuntu4.20 libcurl3 7.22.0-3ubuntu4.20 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-2018-1000007 Source: USN-3554-2: [ more… ]

USN-3552-1: Firefox vulnerability Ubuntu Security Notice USN-3552-1 31st January, 2018 firefox vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Firefox could be made to run programs as your login if it opened a malicious website. Software description firefox – Mozilla Open Source web browser Details Johann Hofmann discovered that HTML fragments created forchrome-privileged documents were not properly sanitized. An attackercould exploit this to execute arbitrary code. (CVE-2018-5124) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: firefox 58.0.1+build1-0ubuntu0.17.10.1 Ubuntu 16.04 LTS: firefox 58.0.1+build1-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: firefox 58.0.1+build1-0ubuntu0.14.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart Firefox to makeall the necessary changes. References CVE-2018-5124 Source: USN-3552-1: Firefox vulnerability