[USN-2973-1] Thunderbird vulnerabilities

Fabricante: Ubuntu
Fecha: 19/05/2016
Identificador: USN-2973-1
[USN-2973-1] Thunderbird vulnerabilities
========================================================================== Ubuntu Security Notice USN-2973-1 May 19, 2016 thunderbird 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 Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: Christian Holler, Tyson Smith, and Phil Ringalda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-2805, CVE-2016-2807) Hanno Böck discovered that calculations with mp_div and mp_exptmod in NSS produce incorrect results in some circumstances, resulting in cryptographic weaknesses. (CVE-2016-1938) A use-after-free was discovered in ssl3_HandleECDHServerKeyExchange in NSS. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-1978) A use-after-free was discovered in PK11_ImportDERPrivateKeyInfoAndReturnKey in NSS. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-1979) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: thunderbird 1:38.8.0+build1-0ubuntu0.16.04.1 Ubuntu 15.10: thunderbird 1:38.8.0+build1-0ubuntu0.15.10.1 Ubuntu 14.04 LTS: thunderbird 1:38.8.0+build1-0ubuntu0.14.04.1 Ubuntu 12.04 LTS: thunderbird 1:38.8.0+build1-0ubuntu0.12.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2973-1 CVE-2016-1938, CVE-2016-1978, CVE-2016-1979, CVE-2016-2805, CVE-2016-2807 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.15.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.14.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:38.8.0+build1-0ubuntu0.12.04.1 --