ALAS2023-2023-326: Security update for 19 packages

ALAS2023-2023-326, released August 31, 2023, fixes 3 CVEs across 19 products. One of them is being exploited (CVE-2023-38180); 1 on CISA KEV. Patch Radar priority: Patch now.

Patch now1 on CISA KEV

CVEs closed

None rated Critical

Exploited

CVE-2023-38180

Highest CVSS

7.8

Base score, 0 to 10

Highest EPSS

0.1413

96th percentile

Priority of the 3 CVEs

Patch now 1
                                Urgent 0
                                High 2
                                Routine 0

Fixed package versions

Product	Release	Fixed in
aspnetcore-runtime-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
aspnetcore-targeting-pack-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet-apphost-pack-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-apphost-pack-6.0-debuginfo	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-host	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-host-debuginfo	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-hostfxr-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-hostfxr-6.0-debuginfo	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-runtime-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-runtime-6.0-debuginfo	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-sdk-6.0	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet-sdk-6.0-debuginfo	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet-sdk-6.0-source-built-artifacts	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet-targeting-pack-6.0	amzn 2023	6.0.21-1.amzn2023.0.2
dotnet-templates-6.0	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet6.0-debuginfo	amzn 2023	6.0.121-1.amzn2023.0.2
dotnet6.0-debugsource	amzn 2023	6.0.121-1.amzn2023.0.2
netstandard-targeting-pack-2.1	amzn 2023	6.0.121-1.amzn2023.0.2

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Patch now	CVE-2023-38180	.NET and Visual Studio Denial of Service Vulnerability	7.8	0.1413	KEVExploited
High	CVE-2023-38178	.NET Core and Visual Studio Denial of Service Vulnerability	7.5	0.0259	Exploitation Less Likely
High	CVE-2023-35390	.NET and Visual Studio Remote Code Execution Vulnerability	7.8	0.0208	Exploitation Less Likely

Also fixes CVE-2023-38180

KB5029688
.NET 6.0
KB5029689
.NET 7.0
aspnetcore-runtime-6.0 6.0.121-0ubuntu1~22.04.1
aspnetcore-runtime-6.0 on Ubuntu 22.04.1 LTS (jammy)
aspnetcore-runtime-7.0 7.0.110-0ubuntu1~22.04.1
aspnetcore-runtime-7.0 on Ubuntu 22.04.1 LTS (jammy)
aspnetcore-targeting-pack-6.0 6.0.121-0ubuntu1~22.04.1
aspnetcore-targeting-pack-6.0 on Ubuntu 22.04.1 LTS (jammy)
aspnetcore-targeting-pack-7.0 7.0.110-0ubuntu1~22.04.1
aspnetcore-targeting-pack-7.0 on Ubuntu 22.04.1 LTS (jammy)
dotnet-apphost-pack-6.0 6.0.121-0ubuntu1~22.04.1
dotnet-apphost-pack-6.0 on Ubuntu 22.04.1 LTS (jammy)
dotnet-apphost-pack-7.0 7.0.110-0ubuntu1~22.04.1
dotnet-apphost-pack-7.0 on Ubuntu 22.04.1 LTS (jammy)

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2023-326.html

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