ELSA-2022-0830: Security update for 9 packages

ELSA-2022-0830, released March 11, 2022, fixes 3 CVEs across 9 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent1 publicly disclosed

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0355

89th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 1
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
aspnetcore-runtime-5.0	ol 8	0:5.0.15-1.0.1.el8_5
aspnetcore-targeting-pack-5.0	ol 8	0:5.0.15-1.0.1.el8_5
dotnet-apphost-pack-5.0	ol 8	0:5.0.15-1.0.1.el8_5
dotnet-hostfxr-5.0	ol 8	0:5.0.15-1.0.1.el8_5
dotnet-runtime-5.0	ol 8	0:5.0.15-1.0.1.el8_5
dotnet-sdk-5.0	ol 8	0:5.0.212-1.0.1.el8_5
dotnet-sdk-5.0-source-built-artifacts	ol 8	0:5.0.212-1.0.1.el8_5
dotnet-targeting-pack-5.0	ol 8	0:5.0.15-1.0.1.el8_5
dotnet-templates-5.0	ol 8	0:5.0.212-1.0.1.el8_5

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2020-8927	Brotli Library Buffer Overflow Vulnerability	7.5	0.0322	More likely
High	CVE-2022-24464	.NET and Visual Studio Denial of Service Vulnerability	7.5	0.0355	Exploitation Less Likely
High	CVE-2022-24512	.NET and Visual Studio Remote Code Execution Vulnerability	8.8	0.0161	DisclosedExploitation Less Likely

Also fixes CVE-2020-8927

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ELSA-2022-0827
aspnetcore-runtime-3.1, aspnetcore-targeting-pack-3.1, dotnet-apphost-pack-3.1 and 6 more on ol 8
ALSA-2022:0830
aspnetcore-runtime-5.0, aspnetcore-targeting-pack-5.0, dotnet-apphost-pack-5.0 and 6 more on almalinux 8
RLSA-2022:0830
dotnet5.0 on rocky 8
ALSA-2022:0827
aspnetcore-runtime-3.1, aspnetcore-targeting-pack-3.1, dotnet-apphost-pack-3.1 and 6 more on almalinux 8
RLSA-2022:0827
dotnet3.1 on rocky 8
RHSA-2022:0827
aspnetcore-runtime-3.1, aspnetcore-targeting-pack-3.1, dotnet-apphost-pack-3.1 and 6 more on RHEL 8
RHSA-2022:0830
aspnetcore-runtime-5.0, aspnetcore-targeting-pack-5.0, dotnet-apphost-pack-5.0 and 6 more on RHEL 8

Vendor advisory

https://linux.oracle.com/errata/ELSA-2022-0830.html

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