Test Kennung:	1.3.6.1.4.1.25623.1.1.10.2019.0179
Kategorie:	Mageia Linux Local Security Checks
Titel:	Mageia: Security Advisory (MGASA-2019-0179)
Zusammenfassung:	The remote host is missing an update for the 'kmod-vboxadditions, kmod-virtualbox, virtualbox' package(s) announced via the MGASA-2019-0179 advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'kmod-vboxadditions, kmod-virtualbox, virtualbox' package(s) announced via the MGASA-2019-0179 advisory. Vulnerability Insight: This update provides, proves Virtualbox 6.0.8 that fixes the Microarchitectural Data Sampling (MDS, also called ZombieLoad attack) vulnerabilities in Intel processors that can allow attackers to retrieve data being processed inside a CPU. The fixed / mitigated issues are: Modern Intel microprocessors implement hardware-level micro-optimizations to improve the performance of writing data back to CPU caches. The write operation is split into STA (STore Address) and STD (STore Data) sub-operations. These sub-operations allow the processor to hand-off address generation logic into these sub-operations for optimized writes. Both of these sub-operations write to a shared distributed processor structure called the 'processor store buffer'. As a result, an unprivileged attacker could use this flaw to read private data resident within the CPU's processor store buffer. (CVE-2018-12126) Microprocessors use a 'load port' subcomponent to perform load operations from memory or IO. During a load operation, the load port receives data from the memory or IO subsystem and then provides the data to the CPU registers and operations in the CPU's pipelines. Stale load operations results are stored in the 'load port' table until overwritten by newer operations. Certain load-port operations triggered by an attacker can be used to reveal data about previous stale requests leaking data back to the attacker via a timing side-channel. (CVE-2018-12127) A flaw was found in the implementation of the 'fill buffer', a mechanism used by modern CPUs when a cache-miss is made on L1 CPU cache. If an attacker can generate a load operation that would create a page fault, the execution will continue speculatively with incorrect data from the fill buffer while the data is fetched from higher level caches. This response time can be measured to infer data in the fill buffer. (CVE-2018-12130) Uncacheable memory on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. (CVE-2019-11091) For other fixes in this update, see the referenced changelog. Affected Software/OS: 'kmod-vboxadditions, kmod-virtualbox, virtualbox' package(s) on Mageia 6. Solution: Please install the updated package(s). CVSS Score: 4.7 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:N/A:N
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2018-12126 Bugtraq: 20190624 [SECURITY] [DSA 4447-2] intel-microcode security update (Google Search) https://seclists.org/bugtraq/2019/Jun/28 Bugtraq: 20190624 [SECURITY] [DSA 4469-1] libvirt security update (Google Search) https://seclists.org/bugtraq/2019/Jun/36 Bugtraq: 20191112 FreeBSD Security Advisory FreeBSD-SA-19:26.mcu (Google Search) https://seclists.org/bugtraq/2019/Nov/16 Bugtraq: 20191112 [SECURITY] [DSA 4564-1] linux security update (Google Search) https://seclists.org/bugtraq/2019/Nov/15 Bugtraq: 20200114 [SECURITY] [DSA 4602-1] xen security update (Google Search) https://seclists.org/bugtraq/2020/Jan/21 Debian Security Information: DSA-4602 (Google Search) https://www.debian.org/security/2020/dsa-4602 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/ FreeBSD Security Advisory: FreeBSD-SA-19:07 https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc https://security.gentoo.org/glsa/202003-56 http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html RedHat Security Advisories: RHSA-2019:1455 https://access.redhat.com/errata/RHSA-2019:1455 RedHat Security Advisories: RHSA-2019:2553 https://access.redhat.com/errata/RHSA-2019:2553 SuSE Security Announcement: openSUSE-SU-2019:1505 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html SuSE Security Announcement: openSUSE-SU-2019:1805 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html SuSE Security Announcement: openSUSE-SU-2019:1806 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html https://usn.ubuntu.com/3977-3/ Common Vulnerability Exposure (CVE) ID: CVE-2018-12127 Common Vulnerability Exposure (CVE) ID: CVE-2018-12130 Common Vulnerability Exposure (CVE) ID: CVE-2019-11091
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