#VU20285 Cryptographic issues in Windows and Windows Server - CVE-2019-1171

Vulnerability identifier: #VU20285

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1171

CWE-ID: CWE-310

Exploitation vector: Local

Exploit availability: No

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

Vendor: Microsoft

Description

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

The vulnerability exists in SymCrypt during the OAEP decryption stage. A local user can gain access to sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 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

Windows Server: 2019 10.0.17763.1 - 2019 1903

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1171

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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.