CVE-2019-1171 MEDIUM

CVE-2019-1171: SymCrypt Information Disclosure Vulnerability

Vendor Microsoft
Product Windows 10 Version 1703
Published August 14, 2019
Last update August 4, 2024

CVSS base score

5.6/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C

What the vulnerability does

01Description

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. 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. The update addresses the vulnerability through a software change to the OAEP decoding operations.

Key dates

02Disclosure timeline

August 14, 2019 CVE published
August 4, 2024 Record updated