Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2019-1125

Disclosure Date: September 03, 2019 •
CVE-2019-1125 CVSS v3 Base Score: 5.6
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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.

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CVSS V3 Severity and Metrics
Base Score:
5.6 Medium
Impact Score:
4
Exploitability Score:
1.1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Windows 10 Version 1703 publication
Windows 10 Version 1803 publication
Windows Server, version 1803 (Server Core Installation) publication
Windows 10 Version 1809 publication
Windows Server 2019 publication
Windows Server 2019 (Server Core installation) publication
Windows 10 Version 1709 for 32-bit Systems publication
Windows 10 Version 1709 publication
Windows 10 Version 1903 for 32-bit Systems publication
Windows 10 Version 1903 for x64-based Systems publication
Windows 10 Version 1903 for ARM64-based Systems publication
Windows Server, version 1903 (Server Core installation) publication
Windows 10 Version 1507 publication
Windows 10 Version 1607 publication
Windows Server 2016 publication
Windows Server 2016 (Server Core installation) publication
Windows 7 publication
Windows 7 Service Pack 1 publication
Windows 8.1 publication
Windows Server 2008 Service Pack 2 publication
Windows Server 2008 Service Pack 2 (Server Core installation) publication
Windows Server 2008 Service Pack 2 publication
Windows Server 2008 R2 Systems Service Pack 1 publication
Windows Server 2008 R2 Service Pack 1 publication
Windows Server 2008 R2 Service Pack 1 (Server Core installation) publication
Windows Server 2012 publication
Windows Server 2012 (Server Core installation) publication
Windows Server 2012 R2 publication
Windows Server 2012 R2 (Server Core installation) publication
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • microsoft,
  • redhat

Products

  • enterprise linux desktop 7.0,
  • enterprise linux server 7.0,
  • enterprise linux server aus 7.7,
  • enterprise linux server eus 7.7,
  • enterprise linux server tus 7.7,
  • enterprise linux workstation 7.0,
  • virtualization host 4.0,
  • windows 10 -,
  • windows 10 1607,
  • windows 10 1703,
  • windows 10 1709,
  • windows 10 1803,
  • windows 10 1809,
  • windows 10 1903,
  • windows 7 -,
  • windows 8.1 -,
  • windows rt 8.1 -,
  • windows server 2008 -,
  • windows server 2008 r2,
  • windows server 2012 -,
  • windows server 2012 r2,
  • windows server 2016 -,
  • windows server 2016 1803,
  • windows server 2016 1903,
  • windows server 2019 -
Technical Analysis