#VU21023 Out-of-bounds read in Windows Server and Windows - CVE-2019-1050

Vulnerability identifier: #VU21023

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1050

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Windows Server
Operating systems & Components / Operating system
Windows
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing untrusted data within Windows GDI component. A local user can run a specially crafted application, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Windows Server: 2012 R2 - 2012, 2016 10.0.14393.10, 2019 10.0.17763.1 - 2019 1903

Windows: 8.1 RT - 8.1, 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

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1050

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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.