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CVE-2019-1125 Detail

Current Description

An information disclosure vulnerability exists when certain central processing units (CPU) speculatively access memory. An attacker who successfully exploited the vulnerability could read privileged data across trust boundaries. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application. The vulnerability would not allow an attacker to elevate user rights directly, but it could be used to obtain information that could be used to try to compromise the affected system further. On January 3, 2018, Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities (known as Spectre) involving speculative execution side channels that affect AMD, ARM, and Intel CPUs to varying degrees. This vulnerability, released on August 6, 2019, is a variant of the Spectre Variant 1 speculative execution side channel vulnerability and has been assigned CVE-2019-1125. Microsoft released a security update on July 9, 2019 that addresses the vulnerability through a software change that mitigates how the CPU speculatively accesses memory. Note that this vulnerability does not require a microcode update from your device OEM.


View Analysis Description

Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/156337/SWAPGS-Attack-Proof-Of-Concept.html
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200408-01-swapgs-en
https://access.redhat.com/errata/RHBA-2019:2824
https://access.redhat.com/errata/RHBA-2019:3248
https://access.redhat.com/errata/RHSA-2019:2600 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:2609
https://access.redhat.com/errata/RHSA-2019:2695
https://access.redhat.com/errata/RHSA-2019:2696
https://access.redhat.com/errata/RHSA-2019:2730
https://access.redhat.com/errata/RHSA-2019:2899
https://access.redhat.com/errata/RHSA-2019:2900
https://access.redhat.com/errata/RHSA-2019:2975
https://access.redhat.com/errata/RHSA-2019:3011
https://access.redhat.com/errata/RHSA-2019:3220
https://kc.mcafee.com/corporate/index?page=content&id=SB10297
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1125 Patch  Vendor Advisory 
https://www.synology.com/security/advisory/Synology_SA_19_32

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

18 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-1125
NVD Published Date:
09/03/2019
NVD Last Modified:
05/29/2024
Source:
Microsoft Corporation