Ubuntu security

USN-3284-1: OpenVPN vulnerabilities Ubuntu Security Notice USN-3284-1 11th May, 2017 openvpn vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Summary Several security issues were fixed in OpenVPN. Software description openvpn – virtual private network software Details It was discovered that OpenVPN improperly triggered an assert whenreceiving an oversized control packet in some situations. A remoteattacker could use this to cause a denial of service (server or clientcrash). (CVE-2017-7478) It was discovered that OpenVPN improperly triggered an assert when packetids rolled over. An authenticated remote attacker could use this to cause adenial of service (application crash). (CVE-2017-7479) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: openvpn 2.4.0-4ubuntu1.2 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all [ more… ]

USN-3283-1: rtmpdump vulnerabilities Ubuntu Security Notice USN-3283-1 9th May, 2017 rtmpdump vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary rtmpdump could be made to crash or run programs as your login if it processed a specially crafted stream. Software description rtmpdump – small dumper for media content streamed over the RTMP protocol Details Dave McDaniel discovered that rtmpdump incorrectly handled certainmalformed streams. If a user were tricked into processing a speciallycrafted stream, a remote attacker could cause rtmpdump to crash, resultingin a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: librtmp1 2.4+20151223.gitfa8646d-1ubuntu0.1 Ubuntu 14.04 LTS: librtmp0 2.4+20121230.gitdf6c518-1ubuntu0.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard [ more… ]

USN-3282-1: FreeType vulnerabilities Ubuntu Security Notice USN-3282-1 9th May, 2017 freetype vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary FreeType could be made to crash or run programs if it opened a specially crafted font file. Software description freetype – FreeType 2 is a font engine library Details It was discovered that FreeType did not correctly handle certain malformedfont files. If a user were tricked into using a specially crafted fontfile, a remote attacker could cause FreeType to crash, resulting in adenial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: libfreetype6 2.6.3-3ubuntu2.2 Ubuntu 16.10: libfreetype6 2.6.3-3ubuntu1.3 Ubuntu 16.04 LTS: libfreetype6 2.6.1-0.1ubuntu2.3 Ubuntu 14.04 LTS: libfreetype6 2.5.2-1ubuntu2.8 To update [ more… ]

USN-3281-1: Apache Fop vulnerability Ubuntu Security Notice USN-3281-1 9th May, 2017 fop vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Apache Fop would allow unintended access to files over the network or could be made to crash. Software description fop – XML formatter Details Pierre Ernst discovered that Apache Fop incorrectly handled XML externalentities. A remote attacker could possibly use this issue to obtainsensitive files from the filesystem, or cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: libfop-java 1:1.1.dfsg-2ubuntu1.1 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-2017-5661 Source: USN-3281-1: Apache Fop vulnerability

USN-3280-1: Apache Batik vulnerability Ubuntu Security Notice USN-3280-1 9th May, 2017 batik vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Apache Batik would allow unintended access to files over the network or could be made to crash. Software description batik – SVG Library Details Lars Krapf and Pierre Ernst discovered that Apache Batik incorrectlyhandled XML external entities. A remote attacker could possibly use thisissue to obtain sensitive files from the filesystem, or cause a denial ofservice. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: libbatik-java 1.7.ubuntu-8ubuntu2.14.04.2 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-2017-5662 Source: USN-3280-1: Apache Batik vulnerability