Amazon Linux AMI update for dotnet6.0



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-33170
CWE-ID CWE-362
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 high risk vulnerability.

1) Race condition

EUVDB-ID: #VU78213

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-33170

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in the ASP.NET and Visual Studio. A remote attacker can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Update the affected packages:

aarch64:
    dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-hostfxr-6.0-debuginfo-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-sdk-6.0-debuginfo-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-host-debuginfo-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-targeting-pack-6.0-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-runtime-6.0-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.amzn2023.0.1.aarch64
    aspnetcore-targeting-pack-6.0-6.0.20-1.amzn2023.0.1.aarch64
    dotnet6.0-debuginfo-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-hostfxr-6.0-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-apphost-pack-6.0-6.0.20-1.amzn2023.0.1.aarch64
    aspnetcore-runtime-6.0-6.0.20-1.amzn2023.0.1.aarch64
    netstandard-targeting-pack-2.1-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-host-6.0.20-1.amzn2023.0.1.aarch64
    dotnet-templates-6.0-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-runtime-6.0-debuginfo-6.0.20-1.amzn2023.0.1.aarch64
    dotnet6.0-debugsource-6.0.120-1.amzn2023.0.1.aarch64
    dotnet-sdk-6.0-6.0.120-1.amzn2023.0.1.aarch64

src:
    dotnet6.0-6.0.120-1.amzn2023.0.1.src

x86_64:
    dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.amzn2023.0.1.x86_64
    dotnet-6.0.120-1.amzn2023.0.1.x86_64
    dotnet6.0-debuginfo-6.0.120-1.amzn2023.0.1.x86_64
    dotnet-sdk-6.0-debuginfo-6.0.120-1.amzn2023.0.1.x86_64
    aspnetcore-targeting-pack-6.0-6.0.20-1.amzn2023.0.1.x86_64
    aspnetcore-runtime-6.0-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-host-debuginfo-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-templates-6.0-6.0.120-1.amzn2023.0.1.x86_64
    dotnet-apphost-pack-6.0-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-hostfxr-6.0-debuginfo-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-runtime-6.0-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-targeting-pack-6.0-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-hostfxr-6.0-6.0.20-1.amzn2023.0.1.x86_64
    netstandard-targeting-pack-2.1-6.0.120-1.amzn2023.0.1.x86_64
    dotnet-host-6.0.20-1.amzn2023.0.1.x86_64
    dotnet-runtime-6.0-debuginfo-6.0.20-1.amzn2023.0.1.x86_64
    dotnet6.0-debugsource-6.0.120-1.amzn2023.0.1.x86_64
    dotnet-sdk-6.0-6.0.120-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

dotnet6.0: before 6.0.120-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-302.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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