Amazon Linux AMI update for dotnet6.0



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-38013
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

dotnet6.0
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU67286

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-38013

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in .NET Core and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    dotnet-6.0.111-1.amzn2023.0.2.aarch64
    dotnet-sdk-6.0-source-built-artifacts-6.0.111-1.amzn2023.0.2.aarch64
    dotnet-hostfxr-6.0-debuginfo-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-sdk-6.0-debuginfo-6.0.111-1.amzn2023.0.2.aarch64
    dotnet-apphost-pack-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-host-debuginfo-6.0.11-1.amzn2023.0.2.aarch64
    aspnetcore-runtime-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-hostfxr-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-apphost-pack-6.0-debuginfo-6.0.11-1.amzn2023.0.2.aarch64
    aspnetcore-targeting-pack-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet6.0-debuginfo-6.0.111-1.amzn2023.0.2.aarch64
    dotnet-runtime-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-runtime-6.0-debuginfo-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-targeting-pack-6.0-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-host-6.0.11-1.amzn2023.0.2.aarch64
    dotnet-templates-6.0-6.0.111-1.amzn2023.0.2.aarch64
    netstandard-targeting-pack-2.1-6.0.111-1.amzn2023.0.2.aarch64
    dotnet6.0-debugsource-6.0.111-1.amzn2023.0.2.aarch64
    dotnet-sdk-6.0-6.0.111-1.amzn2023.0.2.aarch64

src:
    dotnet6.0-6.0.111-1.amzn2023.0.2.src

x86_64:
    dotnet-sdk-6.0-source-built-artifacts-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-host-debuginfo-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-apphost-pack-6.0-debuginfo-6.0.11-1.amzn2023.0.2.x86_64
    aspnetcore-targeting-pack-6.0-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-apphost-pack-6.0-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-hostfxr-6.0-debuginfo-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-hostfxr-6.0-6.0.11-1.amzn2023.0.2.x86_64
    netstandard-targeting-pack-2.1-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-sdk-6.0-debuginfo-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-templates-6.0-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-runtime-6.0-debuginfo-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-host-6.0.11-1.amzn2023.0.2.x86_64
    dotnet6.0-debuginfo-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-targeting-pack-6.0-6.0.11-1.amzn2023.0.2.x86_64
    aspnetcore-runtime-6.0-6.0.11-1.amzn2023.0.2.x86_64
    dotnet-runtime-6.0-6.0.11-1.amzn2023.0.2.x86_64
    dotnet6.0-debugsource-6.0.111-1.amzn2023.0.2.x86_64
    dotnet-sdk-6.0-6.0.111-1.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

dotnet6.0: before 6.0.111-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-092.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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