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USN-4132-2: Expat vulnerability

2019-09-13 KENNETH 0

USN-4132-2: Expat vulnerability expat vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary Expat could be made to expose sensitive information if it received a specially crafted XML file. Software Description expat – XML parsing C library Details USN-4132-1 fixed a vulnerability in Expat. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM lib64expat1 – 2.1.0-4ubuntu1.4+esm2 libexpat1 – 2.1.0-4ubuntu1.4+esm2 Ubuntu 12.04 ESM lib64expat1 – 2.0.1-7.2ubuntu1.7 libexpat1 – 2.0.1-7.2ubuntu1.7 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system [ more… ]

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USN-4132-1: Expat vulnerability

2019-09-13 KENNETH 0

USN-4132-1: Expat vulnerability expat vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Expat could be made to expose sensitive information if it received a specially crafted XML file. Software Description expat – XML parsing C library Details It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libexpat1 – 2.2.6-1ubuntu0.19.5 Ubuntu 18.04 LTS libexpat1 – 2.2.5-3ubuntu0.2 Ubuntu 16.04 LTS lib64expat1 – 2.1.0-7ubuntu0.16.04.5 libexpat1 – 2.1.0-7ubuntu0.16.04.5 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-2019-15903 Source: USN-4132-1: Expat vulnerability

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Attacking the VM Worker Process

2019-09-12 KENNETH 0

Attacking the VM Worker Process In the past year we invested a lot of time making Hyper-V research more accessible to everyone. Our first blog post, “First Steps in Hyper-V Research”, describes the tools and setup for debugging the hypervisor and examines the interesting attack surfaces of the virtualization stack components. We then published “Fuzzing para-virtualized devices in Hyper-V”, which … Attacking the VM Worker Process Read More » The post Attacking the VM Worker Process appeared first on Microsoft Security Response Center. Source: Attacking the VM Worker Process

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USN-4131-1: VLC vulnerabilities

2019-09-12 KENNETH 0

USN-4131-1: VLC vulnerabilities vlc vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Summary Several security issues were fixed in VLC. Software Description vlc – multimedia player and streamer Details It was discovered that VLC incorrectly handled certain media files. If a user were tricked into opening a specially-crafted file, a remote attacker could use this issue to cause VLC to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 vlc – 3.0.8-0ubuntu19.04.1 Ubuntu 18.04 LTS vlc – 3.0.8-0ubuntu18.04.1 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-2019-13962 CVE-2019-14437 CVE-2019-14438 CVE-2019-14498 CVE-2019-14533 CVE-2019-14534 CVE-2019-14535 CVE-2019-14776 CVE-2019-14777 CVE-2019-14778 [ more… ]

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USN-4130-1: WebKitGTK+ vulnerabilities

2019-09-12 KENNETH 0

USN-4130-1: WebKitGTK+ vulnerabilities webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Summary Several security issues were fixed in WebKitGTK+. Software Description webkit2gtk – Web content engine library for GTK+ Details A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libjavascriptcoregtk-4.0-18 – 2.24.4-0ubuntu0.19.04.1 libwebkit2gtk-4.0-37 – 2.24.4-0ubuntu0.19.04.1 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.24.4-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.24.4-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, [ more… ]