[월:] 2017년 05월

USN-3275-2: OpenJDK 7 vulnerabilities Ubuntu Security Notice USN-3275-2 15th May, 2017 openjdk-7 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in OpenJDK 7. Software description openjdk-7 – Open Source Java implementation Details USN-3275-1 fixed vulnerabilities in OpenJDK 8. This update providesthe corresponding updates for OpenJDK 7. Original advisory details: It was discovered that OpenJDK improperly re-used cached NTLMconnections in some situations. A remote attacker could possiblyuse this to cause a Java application to perform actions with thecredentials of a different user. (CVE-2017-3509) It was discovered that an untrusted library search path flaw existedin the Java Cryptography Extension (JCE) component of OpenJDK. Alocal attacker could possibly use this to gain the privileges of aJava application. (CVE-2017-3511) It was discovered that the Java API for XML Processing (JAXP) componentin [ more… ]

USN-3289-1: QEMU vulnerabilities Ubuntu Security Notice USN-3289-1 16th May, 2017 qemu 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 Several security issues were fixed in QEMU. Software description qemu – Machine emulator and virtualizer Details Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing.A privileged attacker inside the guest could use this issue to cause QEMUto crash, resulting in a denial of service. (CVE-2017-7377, CVE-2017-8086) Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. Aprivileged attacker inside the guest could use this issue to cause QEMU tocrash, resulting in a denial of service. (CVE-2017-7718) Li Qiang and Jiangxin discovered that QEMU incorrectly handled the CirrusVGA device when being used with a VNC connection. A privileged attackerinside the guest could use this issue to [ more… ]

USN-3272-2: Ghostscript regression Ubuntu Security Notice USN-3272-2 16th May, 2017 ghostscript regression 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 USN-3272-1 introduced a regression in Ghostscript. Software description ghostscript – PostScript and PDF interpreter Details USN-3272-1 fixed vulnerabilities in Ghostscript. This change introduceda regression when the DELAYBIND feature is used with the eqproccommand. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Ghostscript improperly handled parameters to the rsdparams and eqproc commands. An attacker could use these to craft a malicious document that could disable -dSAFER protections, thereby allowing the execution of arbitrary code, or cause a denial of service (application crash). (CVE-2017-8291) Kamil Frankowicz discovered a use-after-free vulnerability in the color management module of Ghostscript. An attacker [ more… ]

USN-3278-1: Thunderbird vulnerabilities Ubuntu Security Notice USN-3278-1 16th May, 2017 thunderbird 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 Several security issues were fixed in Thunderbird. Software description thunderbird – Mozilla Open Source mail and newsgroup client Details Multiple security issues were discovered in Thunderbird. If a user weretricked in to opening a specially crafted message, an attacker couldpotentially exploit these to read uninitialized memory, cause a denial ofservice via application crash, or execute arbitrary code. (CVE-2017-5429,CVE-2017-5430, CVE-2017-5436, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445,CVE-2017-5446, CVE-2017-5447, CVE-2017-5461, CVE-2017-5467) Multiple security issues were discovered in Thunderbird. If a user weretricked in to opening a specially crafted website in a browsing context,an attacker could potentially exploit these to spoof the addressbarcontents, conduct cross-site scripting (XSS) attacks, cause a denial ofservice via [ more… ]

USN-3290-1: Linux kernel vulnerability Ubuntu Security Notice USN-3290-1 16th May, 2017 linux vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary The system could be made to crash under certain conditions. Software description linux – Linux kernel Details Marco Grassi discovered that the TCP implementation in the Linux kernelmishandles socket buffer (skb) truncation. A local attacker could use thisto cause a denial of service (system crash). Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: linux-image-3.13.0-119-powerpc64-smp 3.13.0-119.166 linux-image-powerpc-smp 3.13.0.119.129 linux-image-powerpc-e500mc 3.13.0.119.129 linux-image-3.13.0-119-powerpc-e500mc 3.13.0-119.166 linux-image-3.13.0-119-powerpc-e500 3.13.0-119.166 linux-image-generic 3.13.0.119.129 linux-image-3.13.0-119-generic-lpae 3.13.0-119.166 linux-image-3.13.0-119-powerpc-smp 3.13.0-119.166 linux-image-3.13.0-119-lowlatency 3.13.0-119.166 linux-image-powerpc-e500 3.13.0.119.129 linux-image-powerpc64-smp 3.13.0.119.129 linux-image-generic-lpae 3.13.0.119.129 linux-image-3.13.0-119-generic 3.13.0-119.166 linux-image-lowlatency 3.13.0.119.129 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to reboot your computer [ more… ]