Articles by KENNETH

USN-3363-1: ImageMagick vulnerabilities Ubuntu Security Notice USN-3363-1 24th July, 2017 imagemagick vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Several security issues were fixed in ImageMagick. Software description imagemagick – Image manipulation programs and library Details It was discovered that ImageMagick incorrectly handled certain malformedimage files. If a user or automated system using ImageMagick were trickedinto opening a specially crafted image, an attacker could exploit this tocause a denial of service or possibly execute code with the privileges ofthe user invoking the program. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.04: libmagick++-6.q16-7 8:6.9.7.4+dfsg-3ubuntu1.2 imagemagick 8:6.9.7.4+dfsg-3ubuntu1.2 imagemagick-6.q16 8:6.9.7.4+dfsg-3ubuntu1.2 libmagickcore-6.q16-3 8:6.9.7.4+dfsg-3ubuntu1.2 Ubuntu 16.04 LTS: libmagick++-6.q16-5v5 8:6.8.9.9-7ubuntu5.8 imagemagick 8:6.8.9.9-7ubuntu5.8 imagemagick-6.q16 8:6.8.9.9-7ubuntu5.8 libmagickcore-6.q16-2 8:6.8.9.9-7ubuntu5.8 Ubuntu 14.04 LTS: libmagick++5 8:6.7.7.10-6ubuntu3.8 libmagickcore5 8:6.7.7.10-6ubuntu3.8 [ more… ]

USN-3353-4: Samba vulnerability Ubuntu Security Notice USN-3353-4 24th July, 2017 samba vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Samba could allow unintended access to network services. Software description samba – SMB/CIFS file, print, and login server for Unix Details USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding update for Samba. Original advisory details: Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Samba clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersonate trusted network services or perform other attacks. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: libsmbclient 2:3.6.25-0ubuntu0.12.04.12 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. [ more… ]