CVE-2019-1171

SymCrypt Information Disclosure Vulnerability

CVE-2019-1171 is fixed in 18 products on 1 platform, first by KB4512507, released August 13, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.6
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0137
72nd percentile

<p>An information disclosure vulnerability exists in SymCrypt during the OAEP decryption stage. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>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 execute code or to elevate user rights directly, but it could be used to obtain information that could be used to try to further compromise the affected system.</p> <p>The update addresses the vulnerability through a software change to the OAEP decoding operations.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1703 for 32-bit Systems 15063.1988 KB4512507 Aug 13, 2019
Windows 10 Version 1703 for x64-based Systems 15063.1988 KB4512507 Aug 13, 2019
Windows 10 Version 1709 for 32-bit Systems 16299.1331 KB4512516 Aug 13, 2019
Windows 10 Version 1709 for ARM64-based Systems 16299.1331 KB4512516 Aug 13, 2019
Windows 10 Version 1709 for x64-based Systems 16299.1331 KB4512516 Aug 13, 2019
Windows 10 Version 1803 for 32-bit Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1803 for ARM64-based Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1803 for x64-based Systems 17134.950 KB4512501 Aug 13, 2019
Windows 10 Version 1809 for 32-bit Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1809 for ARM64-based Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1809 for x64-based Systems 17763.678 KB4511553 Aug 13, 2019
Windows 10 Version 1903 for 32-bit Systems 18362.295 KB4512508 Aug 13, 2019
Windows 10 Version 1903 for ARM64-based Systems 18362.295 KB4512508 Aug 13, 2019
Windows 10 Version 1903 for x64-based Systems 18362.295 KB4512508 Aug 13, 2019
Windows Server 2019 17763.678 KB4511553 Aug 13, 2019
Windows Server 2019 (Server Core installation) 17763.678 KB4511553 Aug 13, 2019
Windows Server, version 1803 (Server Core Installation) 17134.950 KB4512501 Aug 13, 2019
Windows Server, version 1903 (Server Core installation) 18362.295 KB4512508 Aug 13, 2019

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