Red Hat Enterprise Linux: RHSA-2020-2249-01 Critical: .NET Core DoS Flaw
red hat
May 21, 2020
An update for rh-dotnet31-dotnet is now available for .NET Core on Red Hat Enterprise Linux 7
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.
New versions of .NET Core that address security vulnerabilities are now
available. The updated versions are .NET Core SDK 3.1.104 and .NET Core
Runtime 3.1.4.
Security Fix(es):
* dotnet: Denial of service via untrusted input (CVE-2020-1108)
* dotnet: Denial of service due to infinite loop (CVE-2020-1161)
Default inclusions for applications built with .NET Core have been updated
to reference the newest versions and their security fixes.
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.
Topics Covered
References
https://access.redhat.com/security/cve/CVE-2020-1108 https://access.redhat.com/security/cve/CVE-2020-1161 https://access.redhat.com/security/updates/classification/#important
Package List
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source:
rh-dotnet31-dotnet-3.1.104-2.el7.src.rpm
x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-runtime-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-sdk-3.1-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-dotnet-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-templates-3.1-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-netstandard-targeting-pack-2.1-3.1.104-2.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source:
rh-dotnet31-dotnet-3.1.104-2.el7.src.rpm
x86_64:
rh-dotnet31-aspnetcore-runtime-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-aspnetcore-targeting-pack-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-dotnet-apphost-pack-3.1-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-debuginfo-3.1.104-2.el7.x86_64.rpm
rh-dotnet31-dotnet-host-3.1.4-2.el7.x86_64.rpm
rh-dotnet31-dotnet-hostfxr-3.1-3.1.4-2.el7.x86_64.rpm
Read the Full Advisory
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Severity
important
Lowest
Low
Medium
High
Critical
Advisory ID: RHSA-2020:2249-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2249
Issue date: 2020-05-21
Topic
An update for rh-dotnet31-dotnet is now available for .NET Core on Red HatEnterprise Linux 7.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 Covered
Relevant Releases Architectures
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64
.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Bugs Fixed
1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input
1827645 - CVE-2020-1161 dotnet: Denial of service due to infinite loop
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