RHSA-2019:0544 - Security Advisory

Topic

Updates for rh-dotnetcore10-dotnetcore, rh-dotnetcore11-dotnetcore, rh-dotnet21-dotnet, and rh-dotnet22-dotnet are now available for .NET Core on Red Hat Enterprise Linux.

Red Hat Product Security has rated this update as having a security impact of Important. 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 the .NET standard APIs and several additional APIs, and it includes a CLR implementation.

New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core 1.0.15, 1.1.12, 2.1.9, and 2.2.3.

Security Fix(es):

• A tampering vulnerability exists in NuGet software when executed in a Linux or Mac environment. (CVE-2019-0757)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

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

Solution

For details on how to apply this update, 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 - 1685475 - CVE-2019-0757 dotnet: NuGet Tampering Vulnerability
• BZ - 1685718 - Update to .NET Core Runtime 2.2.3 and SDK 2.2.105
• BZ - 1685720 - Update to .NET Core Runtime 2.1.9 and SDK 2.1.505

CVEs

• CVE-2019-0757

References

• https://access.redhat.com/security/updates/classification/#important
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0757