RHSA-2018:3676 - Security Advisory

Topic

An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

.NET Core is a managed software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

A new version of .NET Core that addresses a security vulnerability is now available. The updated version is .NET Core 2.1.5.

Security Fix(es):

• .NET Core: Arbitrary file and directory creation (CVE-2018-8416)

For more information, please refer to the upstream docs in the References
section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• dotNET on RHEL (for RHEL Server) 1 x86_64
• dotNET on RHEL (for RHEL Workstation) 1 x86_64
• dotNET on RHEL (for RHEL Compute Node) 1 x86_64

Fixes

• BZ - 1649693 - CVE-2018-8416 .NET Core: Arbitrary file and directory creation

CVEs

• CVE-2018-8416

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416