#VU20999 Permissions, Privileges, and Access Controls in Microsoft products - CVE-2019-1232

Vulnerability identifier: #VU20999

Vulnerability risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-1232

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an error when the Diagnostics Hub Standard Collector Service improperly impersonates certain file operations. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Visual Studio: 15.0 26228.09, 15.9, 16.0.0 16.0.28729.10, 2015 Update 3

Windows: 10 1607 10.0.14393.10, 10 1703 10.0.15063.138, 10 1709 10.0.16299.19, 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1903 10.0.18362.116, 10

Windows Server: 2016 10.0.14393.10, 2019 10.0.17763.1 - 2019 1903

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1232

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.