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ubuntuUbuntuUSN-6278-2
HistoryAug 10, 2023 - 12:00 a.m.

.NET vulnerabilities

2023-08-1000:00:00
ubuntu.com
25
.net
ubuntu 22.04 lts
vulnerabilities
remote code execution
denial of service
cve-2023-35390
cve-2023-38178
cve-2023-38180
dotnet6
dotnet7

8.6 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

80.9%

Releases

  • Ubuntu 22.04 LTS

Packages

  • dotnet6 - dotNET CLI tools and runtime
  • dotnet7 - dotNET CLI tools and runtime

Details

USN-6278-1 fixed several vulnerabilities in .NET. This update
provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

It was discovered that .NET did properly handle the execution of
certain commands. An attacker could possibly use this issue to
achieve remote code execution. (CVE-2023-35390)

Benoit Foucher discovered that .NET did not properly implement the
QUIC stream limit in HTTP/3. An attacker could possibly use this
issue to cause a denial of service. (CVE-2023-38178)

It was discovered that .NET did not properly handle the disconnection
of potentially malicious clients interfacing with a Kestrel server. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-38180)

OSVersionArchitecturePackageVersionFilename
Ubuntu22.04noarchaspnetcore-runtime-6.0<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchaspnetcore-targeting-pack-6.0<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-apphost-pack-6.0<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-apphost-pack-6.0-dbgsym<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-host<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-host-dbgsym<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-hostfxr-6.0<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-hostfxr-6.0-dbgsym<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-runtime-6.0<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
Ubuntu22.04noarchdotnet-runtime-6.0-dbgsym<Β 6.0.121-0ubuntu1~22.04.1UNKNOWN
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