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CVE-2019-1069— Task Scheduler Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1703
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows和Microsoft Windows Server都是美国微软（Microsoft）公司的产品。Microsoft Windows是一套个人设备使用的操作系统。Microsoft Windows Server是一套服务器操作系统。Windows Task Scheduler是其中的一个用于配置和管理自动任务计划的应用程序。 Microsoft Windows Task Scheduler中存在后置链接漏洞。该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式

CVSS 7.8 · High KEV · Ransomware EPSS 6.12% · P93

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 17

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< publication affected
Microsoft Windows 10 Version 1607 10.0.14393.0< publication affected
Microsoft Windows 10 Version 1703 10.0.0< publication affected
Microsoft Windows 10 Version 1709 10.0.0< publication affected
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1803 10.0.0< publication affected
Microsoft Windows 10 Version 1809 10.0.17763.0< publication affected
10.0.0< publication affected
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0< publication affected
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0< publication affected
Microsoft Windows Server 2016 10.0.14393.0< publication affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< publication affected
Microsoft Windows Server 2019 10.0.17763.0< publication affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< publication affected
Microsoft Windows Server, version 1803 (Server Core Installation) 10.0.0< publication affected
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0< publication affected
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I. Basic Information for CVE-2019-1069

Vulnerability Information
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Vulnerability Title
Task Scheduler Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Task Scheduler 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows和Microsoft Windows Server都是美国微软（Microsoft）公司的产品。Microsoft Windows是一套个人设备使用的操作系统。Microsoft Windows Server是一套服务器操作系统。Windows Task Scheduler是其中的一个用于配置和管理自动任务计划的应用程序。 Microsoft Windows Task Scheduler中存在后置链接漏洞。该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1703 10.0.0 ~ publication -
Microsoft Windows 10 Version 1803 10.0.0 ~ publication -
Microsoft Windows Server, version 1803 (Server Core Installation) 10.0.0 ~ publication -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ publication -
Microsoft Windows 10 Version 1809 10.0.0 ~ publication -
Microsoft Windows Server 2019 10.0.17763.0 ~ publication -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ publication -
Microsoft Windows 10 Version 1709 for 32-bit Systems 10.0.0 ~ publication -
Microsoft Windows 10 Version 1709 10.0.0 ~ publication -
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0 ~ publication -
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0 ~ publication -
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0 ~ publication -
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0 ~ publication -
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ publication -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ publication -
Microsoft Windows Server 2016 10.0.14393.0 ~ publication -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ publication -

II. Public POCs for CVE-2019-1069

# POC Description Source Link Shenlong Link
1 Privesc through import of Sheduled tasks + Hardlinks - CVE-2019-1069 https://github.com/S3cur3Th1sSh1t/SharpPolarBear POC Details
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III. Intelligence Information for CVE-2019-1069

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Vendor Advisories for CVE-2019-1069 (3)

Security Blog Posts for CVE-2019-1069 (1)

Same Patch Batch · Microsoft · 2019-06-12 · 88 CVEs total

CVE-2019-0722 8.8 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2019-0888 8.8 HIGH ActiveX Data Objects (ADO) Remote Code Execution Vulnerability
CVE-2019-1019 8.5 HIGH Microsoft Windows Security Feature Bypass Vulnerability
CVE-2019-0906 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0905 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-1065 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2019-0908 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0973 7.8 HIGH Windows Installer Elevation of Privilege Vulnerability
CVE-2019-0974 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0983 7.8 HIGH Windows Storage Service Elevation of Privilege Vulnerability
CVE-2019-0985 7.8 HIGH Microsoft Speech API Remote Code Execution Vulnerability
CVE-2019-1022 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-0904 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-1026 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1027 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1028 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1021 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1007 7.8 HIGH Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-0998 7.8 HIGH Windows Storage Service Elevation of Privilege Vulnerability
CVE-2019-1045 7.8 HIGH Windows Network File System Elevation of Privilege Vulnerability

Showing top 20 of 88 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1703
Same vendor: Microsoft

V. Comments for CVE-2019-1069

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