ALAS2023-2024-545: Security update for 19 packages

ALAS2023-2024-545, released February 29, 2024, fixes 3 CVEs across 19 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

0.0290

87th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
aspnetcore-runtime-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
aspnetcore-targeting-pack-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet-apphost-pack-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-apphost-pack-6.0-debuginfo	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-host	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-host-debuginfo	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-hostfxr-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-hostfxr-6.0-debuginfo	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-runtime-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-runtime-6.0-debuginfo	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-sdk-6.0	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet-sdk-6.0-debuginfo	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet-sdk-6.0-source-built-artifacts	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet-targeting-pack-6.0	amzn 2023	6.0.27-1.amzn2023.0.1
dotnet-templates-6.0	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet6.0-debuginfo	amzn 2023	6.0.127-1.amzn2023.0.1
dotnet6.0-debugsource	amzn 2023	6.0.127-1.amzn2023.0.1
netstandard-targeting-pack-2.1	amzn 2023	6.0.127-1.amzn2023.0.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2024-20672	.NET Denial of Service Vulnerability	7.5	0.0290	Exploitation Less Likely
High	CVE-2024-21404	.NET Denial of Service Vulnerability	7.5	0.0271	Exploitation Less Likely
High	CVE-2024-21386	.NET Denial of Service Vulnerability	7.5	0.0242	Exploitation Less Likely

Also fixes CVE-2024-20672

KB5033733
.NET 6.0
KB5033734
.NET 7.0

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2024-545.html

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