SECURITY

USN-4233-1: GnuTLS update gnutls28 update A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary SHA1 has been marked as untrusted in GnuTLS. Software Description gnutls28 – GNU TLS library Details As a security improvement, this update marks SHA1 as being untrusted for digital signature operations. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libgnutls30 – 3.5.18-1ubuntu1.2 Ubuntu 16.04 LTS libgnutls30 – 3.4.10-4ubuntu1.6 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 LP: 1858691 Source: USN-4233-1: GnuTLS update

USN-4231-1: NSS vulnerability nss vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary NSS could be made to execute arbitrary code if it received a specially crafted input. Software Description nss – Network Security Service library Details It was discovered that NSS incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libnss3 – 2:3.45-1ubuntu2.2 Ubuntu 19.04 libnss3 – 2:3.42-1ubuntu2.5 Ubuntu 18.04 LTS libnss3 – 2:3.35-2ubuntu2.7 Ubuntu 16.04 LTS libnss3 – 2:3.28.4-0ubuntu0.16.04.10 Ubuntu 14.04 ESM libnss3 – 2:3.28.4-0ubuntu0.14.04.5+esm4 Ubuntu 12.04 ESM libnss3 – 2:3.28.4-0ubuntu0.12.04.7 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system [ more… ]

USN-4232-1: GraphicsMagick vulnerabilities graphicsmagick vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Summary Several security issues were fixed in GraphicsMagick. Software Description graphicsmagick – collection of image processing tools Details It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS graphicsmagick – 1.3.23-1ubuntu0.4 libgraphicsmagick++-q16-12 – 1.3.23-1ubuntu0.4 libgraphicsmagick-q16-3 – 1.3.23-1ubuntu0.4 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-2017-14165 CVE-2017-14314 CVE-2017-14504 CVE-2017-14649 CVE-2017-14733 CVE-2017-14994 CVE-2017-14997 CVE-2017-15277 CVE-2017-15930 CVE-2017-16352 CVE-2017-16353 Source: USN-4232-1: GraphicsMagick vulnerabilities

USN-4230-1: ClamAV vulnerability clamav vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary ClamAV could be made to crash if it opened a specially crafted file. Software Description clamav – Anti-virus utility for Unix Details It was discovered that ClamAV incorrectly handled certain MIME messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 clamav – 0.102.1+dfsg-0ubuntu0.19.10.2 Ubuntu 19.04 clamav – 0.102.1+dfsg-0ubuntu0.19.04.2 Ubuntu 18.04 LTS clamav – 0.102.1+dfsg-0ubuntu0.18.04.2 Ubuntu 16.04 LTS clamav – 0.102.1+dfsg-0ubuntu0.16.04.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, which includes additional bug fixes. In general, a [ more… ]

USN-4227-2: Linux kernel (Azure) vulnerabilities linux-azure vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Summary Several security issues were fixed in the Linux kernel. Software Description linux-azure – Linux kernel for Microsoft Azure Cloud systems Details USN-4227-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 ESM. It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-14895, CVE-2019-14901) It was discovered that a heap-based buffer overflow existed in the Marvell Libertas WLAN Driver for the Linux kernel. A physically proximate attacker could use this to [ more… ]