Ubuntu security

USN-3466-1: systemd vulnerability Ubuntu Security Notice USN-3466-1 26th October, 2017 systemd vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 17.04 Summary systemd could be made to temporarily stop responding if it received specially crafted network traffic. Software description systemd – system and service manager Details Karim Hossen & Thomas Imbert discovered that systemd-resolved incorrectlyhandled certain DNS responses. A remote attacker could possibly use thisissue to cause systemd to temporarily stop responding, resulting in adenial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: systemd 234-2ubuntu12.1 Ubuntu 17.04: systemd 232-21ubuntu7.1 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-2017-15908 Source: USN-3466-1: systemd vulnerability

USN-3463-1: Werkzeug vulnerability Ubuntu Security Notice USN-3463-1 25th October, 2017 python-werkzeug vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Werkzeug could be made to run arbitrary code if it opened a specially crafted file. Software description python-werkzeug – collection of utilities for WSGI applications Details It was discovered that Werkzeug did not properly handle certainweb scripts. A remote attacker could use this to inject arbitrarycode via a field that contains an exception message. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.04 LTS: python3-werkzeug 0.10.4+dfsg1-1ubuntu1.1 python-werkzeug 0.10.4+dfsg1-1ubuntu1.1 Ubuntu 14.04 LTS: python3-werkzeug 0.9.4+dfsg-1.1ubuntu2.1 python-werkzeug 0.9.4+dfsg-1.1ubuntu2.1 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-2016-10516 Source: USN-3463-1: Werkzeug [ more… ]

USN-3425-2: Apache HTTP Server vulnerability Ubuntu Security Notice USN-3425-2 24th October, 2017 apache2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Apache HTTP Server could be made to expose sensitive information over the network. Software description apache2 – Apache HTTP server Details USN-3425-1 fixed a vulnerability in Apache HTTP Server. This updateprovides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: apache2.2-bin 2.2.22-1ubuntu1.14 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. [ more… ]

USN-3388-2: Subversion vulnerabilities Ubuntu Security Notice USN-3388-2 24th October, 2017 subversion vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Several security issues were fixed in Subversion. Software description subversion – Advanced version control system Details USN-3388-1 fixed several vulnerabilities in Subversion. This updateprovides the corresponding update for Ubuntu 12.04 ESM. Ivan Zhakov discovered that Subversion did not properly handlesome requests. A remote attacker could use this to cause adenial of service. (CVE-2016-2168) Original advisory details: Joern Schneeweisz discovered that Subversion did not properly handle host names in 'svn+ssh://' URLs. A remote attacker could use this to construct a subversion repository that when accessed could run arbitrary code with the privileges of the user. (CVE-2017-9800) Daniel Shahaf and James McCoy discovered that Subversion did not properly verify realms when using Cyrus SASL authentication. [ more… ]

USN-3411-2: Bazaar vulnerability Ubuntu Security Notice USN-3411-2 24th October, 2017 bzr vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Bazaar could be made run programs as your login if it opened a specially crafted URL. Software description bzr – easy to use distributed version control system Details USN-3411-1 fixed a vulnerability in Bazaar. This updateprovides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Adam Collard discovered that Bazaar did not properly handle host names in 'bzr+ssh://' URLs. A remote attacker could use this to construct a bazaar repository URL that when accessed could run arbitrary code with the privileges of the user. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: python-bzrlib 2.5.1-0ubuntu2.1 bzr 2.5.1-0ubuntu2.1 To update your system, please [ more… ]