CVE Vulnerabilities

CVE-2017-11770

Improper Certificate Validation

Published: Nov 15, 2017 | Modified: Apr 16, 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:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
5.9 LOW
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu

.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka .NET CORE Denial Of Service Vulnerability.

Weakness

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

Affected Software

Name Vendor Start Version End Version
Aspnetcore Microsoft 1.0 (including) 1.0 (including)
Aspnetcore Microsoft 1.1 (including) 1.1 (including)
Aspnetcore Microsoft 2.0 (including) 2.0 (including)
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnet20-dotnet-0:2.0.3-4.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore10-dotnetcore-0:1.0.8-1.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore11-dotnetcore-0:1.1.5-1.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnet20-dotnet-0:2.0.3-4.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore10-dotnetcore-0:1.0.8-1.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore11-dotnetcore-0:1.1.5-1.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnet20-dotnet-0:2.0.3-4.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore10-dotnetcore-0:1.0.8-1.el7 *
.NET Core on Red Hat Enterprise Linux RedHat rh-dotnetcore11-dotnetcore-0:1.1.5-1.el7 *

Potential Mitigations

References