ELSA-2021-3148: Security update for 11 packages

ELSA-2021-3148, released August 13, 2021, fixes 3 CVEs across 11 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0390

90th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 2

Fixed package versions

Product	Release	Fixed in
aspnetcore-runtime-5.0	ol 8	0:5.0.9-1.0.1.el8_4
aspnetcore-targeting-pack-5.0	ol 8	0:5.0.9-1.0.1.el8_4
dotnet	ol 8	0:5.0.206-1.0.1.el8_4
dotnet-apphost-pack-5.0	ol 8	0:5.0.9-1.0.1.el8_4
dotnet-host	ol 8	0:5.0.9-1.0.1.el8_4
dotnet-hostfxr-5.0	ol 8	0:5.0.9-1.0.1.el8_4
dotnet-runtime-5.0	ol 8	0:5.0.9-1.0.1.el8_4
dotnet-sdk-5.0	ol 8	0:5.0.206-1.0.1.el8_4
dotnet-targeting-pack-5.0	ol 8	0:5.0.9-1.0.1.el8_4
dotnet-templates-5.0	ol 8	0:5.0.206-1.0.1.el8_4
netstandard-targeting-pack-2.1	ol 8	0:5.0.206-1.0.1.el8_4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2021-26423	.NET Core and Visual Studio Denial of Service Vulnerability	7.5	0.0390	Exploitation Less Likely
Routine	CVE-2021-34485	.NET Core and Visual Studio Information Disclosure Vulnerability	5.5	0.0207	Exploitation Less Likely
Routine	CVE-2021-34532	ASP.NET Core and Visual Studio Information Disclosure Vulnerability	5.5	0.0122	Exploitation Less Likely

Also fixes CVE-2021-26423

ELSA-2021-3142
aspnetcore-runtime-3.1, aspnetcore-targeting-pack-3.1, dotnet-apphost-pack-3.1 and 5 more on ol 8
RHSA-2021:3148
aspnetcore-runtime-5.0, aspnetcore-targeting-pack-5.0, dotnet and 8 more on RHEL 8
RHSA-2021:3142
aspnetcore-runtime-3.1, aspnetcore-targeting-pack-3.1, dotnet-apphost-pack-3.1 and 5 more on RHEL 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2021-3148.html

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