CVE-2019-1125
Estado: ModificadaMedia (5.6)—
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.
Leer descripción completaMostrar menos
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- Puntuación base: 5.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 4.52%
- Percentil entre todas las CVEs puntuadas: 91
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (15)
Microsoft — Windows 10Microsoft — Windows 7Microsoft — Windows 8.1Microsoft — Windows RT 8.1Microsoft — Windows Server 2008Microsoft — Windows Server 2012Microsoft — Windows Server 2016Microsoft — Windows Server 2019Redhat — Enterprise Linux DesktopRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Server AUSRedhat — Enterprise Linux Server EUSRedhat — Enterprise Linux Server TUSRedhat — Enterprise Linux WorkstationRedhat — Virtualization Host
CWE
- NVD-CWE-noinfo
Referencias
- 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
- 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
- https://www.synology.com/security/advisory/Synology_SA_19_32
- 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
- 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
- https://www.synology.com/security/advisory/Synology_SA_19_32
JSON original (NVD)
Mostrar
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"published": "2019-09-03T18:15:12.747",
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"value": "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.\nTo 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.\nOn 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.\nMicrosoft 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."
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