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ubuntuUbuntuUSN-6278-1
HistoryAug 08, 2023 - 12:00 a.m.

.NET vulnerabilities

2023-08-0800:00:00
ubuntu.com
27
.net
vulnerabilities
dotnet6
dotnet7
ubuntu 23.04
remote code execution
cve-2023-35390
quic stream limit
denial of service
cve-2023-38178
kestrel server
cve-2023-38180
http/3
runtime

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

8.4 High

AI Score

Confidence

High

Releases

  • Ubuntu 23.04

Packages

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

Details

It was discovered that .NET did not 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
Ubuntu23.04noarchaspnetcore-runtime-6.0<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchaspnetcore-targeting-pack-6.0<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0-dbgsym<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host-dbgsym<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0-dbgsym<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0-dbgsym<Β 6.0.121-0ubuntu1~23.04.1UNKNOWN
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1-10 of 341

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

8.4 High

AI Score

Confidence

High