CVE Vulnerabilities

CVE-2017-0248

Improper Certificate Validation

Published: May 12, 2017 | Modified: Oct 03, 2019
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka .NET Security Feature Bypass Vulnerability.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
.net_framework Microsoft 2.0-sp2 (including) 2.0-sp2 (including)
.net_framework Microsoft 3.5 (including) 3.5 (including)
.net_framework Microsoft 3.5.1 (including) 3.5.1 (including)
.net_framework Microsoft 4.5.2 (including) 4.5.2 (including)
.net_framework Microsoft 4.6 (including) 4.6 (including)
.net_framework Microsoft 4.6.1 (including) 4.6.1 (including)
.net_framework Microsoft 4.6.2 (including) 4.6.2 (including)
.net_framework Microsoft 4.7 (including) 4.7 (including)

Potential Mitigations

References