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Red Hat Enterprise Linux 8: Important RHSA-2019-1259-01 dotnet Security

red hat
Calendar Grey May 22, 2019
Dist Redhat Esm H88
Patch release for Red Hat Enterprise Linux 8 tackling critical .NET security vulnerabilities and providing essential updates to address various weaknesses.
An update for dotnet is now available for Red Hat Enterprise Linux 8

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

Summary

.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 address security vulnerabilities is now available. The updated version is .NET Core Runtime 2.1.11 and SDK 2.1.507.
Security Fix(es):
* dotnet: NuGet Tampering Vulnerability (CVE-2019-0757)
* dotnet: timeouts for regular expressions are not enforced (CVE-2019-0820)
* dotnet: infinite loop in URI.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0980)
* dotnet: crash in IPAddress.TryCreate leading to ASP.Net Core Denial of Service (CVE-2019-0981)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* dotnet: new SocketException((int)SocketError.InvalidArgument).Message is empty (BZ#1712471)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix important Denial of Service dotnet ASP.Net

References

https://access.redhat.com/security/cve/CVE-2019-0757 https://access.redhat.com/security/cve/CVE-2019-0820 https://access.redhat.com/security/cve/CVE-2019-0980 https://access.redhat.com/security/cve/CVE-2019-0981 https://access.redhat.com/security/updates/classification/#important https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0757 https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0820 https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0980 https://msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0981 https://github.com/dotnet/core/blob/main/release-notes/2.1/2.1.11/2.1.11.md

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet-2.1.507-2.el8_0.src.rpm
x86_64: dotnet-2.1.507-2.el8_0.x86_64.rpm dotnet-debuginfo-2.1.507-2.el8_0.x86_64.rpm dotnet-debugsource-2.1.507-2.el8_0.x86_64.rpm dotnet-host-2.1.11-2.el8_0.x86_64.rpm dotnet-host-debuginfo-2.1.11-2.el8_0.x86_64.rpm dotnet-host-fxr-2.1-2.1.11-2.el8_0.x86_64.rpm dotnet-host-fxr-2.1-debuginfo-2.1.11-2.el8_0.x86_64.rpm dotnet-runtime-2.1-2.1.11-2.el8_0.x86_64.rpm dotnet-runtime-2.1-debuginfo-2.1.11-2.el8_0.x86_64.rpm dotnet-sdk-2.1-2.1.507-2.el8_0.x86_64.rpm dotnet-sdk-2.1.5xx-2.1.507-2.el8_0.x86_64.rpm dotnet-sdk-2.1.5xx-debuginfo-2.1.507-2.el8_0.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:1259-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1259
Issue date: 2019-05-22

Topic

An update for dotnet is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix important Denial of Service dotnet ASP.Net

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - x86_64

Bugs Fixed

1685475 - CVE-2019-0757 dotnet: NuGet Tampering Vulnerability

1696836 - Update .NET Core 2.1 to Runtime 2.1.10 and SDK 2.1.506

1705502 - CVE-2019-0980 dotnet: infinite loop in Uri.TryCreate leading to ASP.Net Core Denial of Service

1705504 - CVE-2019-0981 dotnet: crash in IPAddress.TryCreate leading to ASP.Net Core Denial of Service

1705506 - CVE-2019-0820 dotnet: timeouts for regular expressions are not enforced

1710068 - Update .NET Core 2.1 to Runtime 2.1.11 and SDK 2.1.507

1712471 - new SocketException((int)SocketError.InvalidArgument).Message is empty

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