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ubuntuUbuntuUSN-6362-1
HistorySep 12, 2023 - 12:00 a.m.

.NET vulnerability

2023-09-1200:00:00
ubuntu.com
28
.net
ubuntu
vulnerability
x.509
denial of service

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.04 LTS

Packages

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

Details

Kevin Jones discovered that .NET did not properly process certain
X.509 certificates. An attacker could possibly use this issue to
cause a denial of service.

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchaspnetcore-runtime-6.0< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchaspnetcore-targeting-pack-6.0< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-apphost-pack-6.0-dbgsym< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-host-dbgsym< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-hostfxr-6.0-dbgsym< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0< 6.0.122-0ubuntu1~23.04.1UNKNOWN
Ubuntu23.04noarchdotnet-runtime-6.0-dbgsym< 6.0.122-0ubuntu1~23.04.1UNKNOWN
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6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%