Ubuntu security

USN-2964-1: OpenJDK 7 vulnerabilities Ubuntu Security Notice USN-2964-1 4th May, 2016 openjdk-7 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 15.10 Ubuntu 14.04 LTS Summary Several security issues were fixed in OpenJDK 7. Software description openjdk-7 – Open Source Java implementation Details Multiple vulnerabilities were discovered in the OpenJDK JRE related to informationdisclosure, data integrity, and availability. An attacker could exploitthese to cause a denial of service, expose sensitive data over the network,or possibly execute arbitrary code. (CVE-2016-0686, CVE-2016-0687,CVE-2016-3427) A vulnerability was discovered in the OpenJDK JRE related to informationdisclosure. An attacker could exploit this to expose sensitive data overthe network. (CVE-2016-0695) A vulnerability was discovered in the OpenJDK JRE related to availability.An attacker could exploit this to cause a denial of service.(CVE-2016-3425) Update instructions The problem can be corrected by updating your system to [ more… ]

USN-2963-1: OpenJDK 8 vulnerabilities Ubuntu Security Notice USN-2963-1 4th May, 2016 openjdk-8 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Several security issues were fixed in OpenJDK 8. Software description openjdk-8 – Open Source Java implementation Details Multiple vulnerabilities were discovered in the OpenJDK JRE related toinformation disclosure, data integrity, and availability. An attackercould exploit these to cause a denial of service, expose sensitive dataover the network, or possibly execute arbitrary code. (CVE-2016-0686,CVE-2016-0687, CVE-2016-3427) Multiple vulnerabilities were discovered in the OpenJDK JRE relatedto information disclosure. An attacker could exploit this to exposesensitive data over the network. (CVE-2016-0695, CVE-2016-3426) A vulnerability was discovered in the OpenJDK JRE related to availability.An attacker could exploit this to cause a denial of service.(CVE-2016-3425) Update instructions The problem can be corrected by updating your system to the [ more… ]

USN-2961-1: Little CMS vulnerability Ubuntu Security Notice USN-2961-1 4th May, 2016 lcms2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Applications using the Little CMS library could be made to crash or run programs as your login if it opened a specially crafted file. Software description lcms2 – Little CMS color management library Details It was discovered that a double free() could occur when the intent handlingcode in the Little CMS library detected an error. An attacker could usethis to specially craft a file that caused an application using the LittleCMS library to crash or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: liblcms2-utils 2.5-0ubuntu4.1 liblcms2-2 2.5-0ubuntu4.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After [ more… ]

USN-2950-3: Samba regressions Ubuntu Security Notice USN-2950-3 4th May, 2016 samba regressions A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 15.10 Ubuntu 14.04 LTS Ubuntu 12.04 LTS Summary USN-2950-1 introduced regressions in Samba. Software description samba – SMB/CIFS file, print, and login server for Unix Details USN-2950-1 fixed vulnerabilities in Samba. The fixes introduced in Samba4.3.8 caused certain regressions and interoperability issues. This update resolves some of these issues by updating to Samba 4.3.9 inUbuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. Backported regressionfixes were added to Samba 3.6.25 in Ubuntu 12.04 LTS. This advisory was inadvertently published as USN-2950-2 originally. Original advisory details: Jouni Knuutinen discovered that Samba contained multiple flaws in the DCE/RPC implementation. A remote attacker could use this issue to perform a denial of service, downgrade secure connections [ more… ]

USN-2959-1: OpenSSL vulnerabilities Ubuntu Security Notice USN-2959-1 3rd May, 2016 openssl vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 15.10 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 Huzaifa Sidhpurwala, Hanno Böck, and David Benjamin discovered that OpenSSLincorrectly handled memory when decoding ASN.1 structures. A remoteattacker could use this issue to cause OpenSSL to crash, resulting in adenial of service, or possibly execute arbitrary code. (CVE-2016-2108) Juraj Somorovsky discovered that OpenSSL incorrectly performed padding whenthe connection uses the AES CBC cipher and the server supports AES-NI. Aremote attacker could possibly use this issue to perform a padding oracleattack and decrypt traffic. (CVE-2016-2107) Guido Vranken discovered that OpenSSL incorrectly handled large amounts ofinput data [ more… ]