CVE-2018-12126 Information

Description

Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en https://access.redhat.com/errata/RHSA-2019:1455 https://access.redhat.com/errata/RHSA-2019:2553 https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf https://kc.mcafee.com/corporate/index?page=content&id=SB10292 https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/ https://seclists.org/bugtraq/2019/Jun/28 https://seclists.org/bugtraq/2019/Jun/36 https://seclists.org/bugtraq/2019/Nov/15 https://seclists.org/bugtraq/2019/Nov/16 https://seclists.org/bugtraq/2020/Jan/21 https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc https://security.gentoo.org/glsa/202003-56 https://usn.ubuntu.com/3977-3/ https://www.debian.org/security/2020/dsa-4602 https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html https://www.synology.com/security/advisory/Synology_SA_19_24

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.6