Articles by KENNETH

USN-3181-1: OpenSSL vulnerabilities Ubuntu Security Notice USN-3181-1 31st January, 2017 openssl vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary Several security issues were fixed in OpenSSL. Software description openssl – Secure Socket Layer (SSL) cryptographic library and tools Details Guido Vranken discovered that OpenSSL used undefined behaviour whenperforming pointer arithmetic. A remote attacker could possibly use thisissue to cause OpenSSL to crash, resulting in a denial of service. Thisissue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS as otherreleases were fixed in a previous security update. (CVE-2016-2177) It was discovered that OpenSSL did not properly handle Montgomerymultiplication, resulting in incorrect results leading to transientfailures. This issue only applied to Ubuntu 16.04 LTS, and Ubuntu 16.10.(CVE-2016-7055) It was discovered that OpenSSL did not [ more… ]