SECURITY

USN-3233-1: Thunderbird vulnerabilities Ubuntu Security Notice USN-3233-1 24th March, 2017 thunderbird 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 Thunderbird. Software description thunderbird – Mozilla Open Source mail and newsgroup client Details Multiple security issues were discovered in Thunderbird. If a user weretricked in to opening a specially crafted website in a browsing context,an attacker could potentially exploit these to bypass same originrestrictions, obtain sensitive information, cause a denial of service viaapplication crash or hang, or execute arbitrary code. (CVE-2017-5398,CVE-2017-5400, CVE-2017-5401, CVE-2017-5402, CVE-2017-5404, CVE-2017-5405,CVE-2017-5407, CVE-2017-5408, CVE-2017-5410) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: thunderbird 1:45.8.0+build1-0ubuntu0.16.10.1 Ubuntu 16.04 LTS: thunderbird 1:45.8.0+build1-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: thunderbird 1:45.8.0+build1-0ubuntu0.14.04.1 Ubuntu 12.04 [ more… ]

USN-3239-3: GNU C Library regression Ubuntu Security Notice USN-3239-3 24th March, 2017 eglibc regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary USN-3239-1 introduced a regression in the GNU C Library. Software description eglibc – GNU C Library Details USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately,the fix for CVE-2016-3706 introduced a regression that in somecircumstances prevented IPv6 addresses from resolving. This updatereverts the change in Ubuntu 12.04 LTS. We apologize for the error. Original advisory details: It was discovered that the GNU C Library incorrectly handled the strxfrm() function. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8982) It was discovered that an integer overflow existed in the _IO_wstr_overflow() function of [ more… ]