PT-2018-18563 · Microsoft · Net Core+2

Published 2018-07-10 · Updated 2022-05-23 · CVE-2018-8356

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Microsoft .NET Framework versions 3.0 through 4.7.2 ASP.NET Core versions 1.0 through 2.0 .NET Core versions 1.0 through 2.0

Description A security feature bypass issue exists due to incorrect certificate validation in Microsoft .NET Framework components. This allows attackers to utilize expired certificates.

Recommendations For Microsoft .NET Framework versions 3.0 through 4.7.2, update to a version that correctly validates certificates. For ASP.NET Core versions 1.0 through 2.0, update to a version that correctly validates certificates. For .NET Core versions 1.0 through 2.0, update to a version that correctly validates certificates.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2018-8356

GHSA-P9WX-V264-Q34P

Affected Products

Net Core

.Net Framework

Asp.Net Core

References · 10

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-p9wx-v264-q34p · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8356 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8356 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8356 · Security Note
• https://github.com/github/advisory-database/issues/302 · Note
• https://github.com/dotnet/announcements/issues/73 · Note
• http://securitytracker.com/id/1041257 · Note
• http://securityfocus.com/bid/104664 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8356 · Note