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Red Hat: RHSA-2018:0522 Low: .NET Core Denial of Service Risk

red hat
Calendar Grey March 14, 2018
Scroller Redhat
A new patch for .NET Core has been released for Red Hat Enterprise Linux, which mitigates a minor security concern that all users are encouraged to implement.
Updates for rh-dotnet20-dotnet, rh-dotnetcore10-dotnetcore, and rh-dotnetcore11-dotnetcore are now available for .NET Core on Red Hat Enterprise Linux

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 includes a CLR implementation.
New versions of .NET Core that address several security vulnerabilities are now available. The updated versions are .NET Core 1.0.10, 1.1.7, and 2.0.6.
These correspond to the March 2018 security release by .NET Core upstream projects.
Security Fix(es):
* .NET Core: Hash Collision Denial of Service (CVE-2018-0875)
Red Hat would like to thank Ben Adams (Illyriad Games) for reporting this issue.
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.

Topics%20covered

Topics Covered

security advisory denial of service security update red hat low impact hash collision dotnet core

References

https://access.redhat.com/security/cve/CVE-2018-0875 https://access.redhat.com/security/updates/classification#low

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm
x86_64: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm
x86_64: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm
x86_64: rh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm rh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm
x86_64: rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm
x86_64: rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm


Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:0522-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0522
Issue date: 2018-03-14

Topic

Updates for rh-dotnet20-dotnet, rh-dotnetcore10-dotnetcore, andrh-dotnetcore11-dotnetcore are now available for .NET Core on Red HatEnterprise Linux.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security update red hat low impact hash collision dotnet core

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

1552060 - CVE-2018-0875 .NET Core: Hash Collision Denial of Service

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