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ubuntuUbuntuUSN-6578-1
HistoryJan 11, 2024 - 12:00 a.m.

.NET vulnerabilities

2024-01-1100:00:00
ubuntu.com
33
.net
ubuntu
dotnet
x.509 certificate
authentication
denial of service
cve-2024-0057
cve-2024-21319

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

40.0%

Releases

  • Ubuntu 23.10
  • Ubuntu 23.04
  • Ubuntu 22.04 LTS

Packages

  • dotnet6 - dotNET CLI tools and runtime
  • dotnet7 - dotNET CLI tools and runtime
  • dotnet8 - dotNET CLI tools and runtime

Details

Vishal Mishra and Anita Gaud discovered that .NET did not properly
validate X.509 certificates with malformed signatures. An attacker
could possibly use this issue to bypass an application’s typical
authentication logic.
(CVE-2024-0057)

Morgan Brown discovered that .NET did not properly handle requests from
unauthenticated clients. An attacker could possibly use this issue to
cause a denial of service.
(CVE-2024-21319)

OSVersionArchitecturePackageVersionFilename
Ubuntu23.10noarchaspnetcore-runtime-6.0< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchaspnetcore-targeting-pack-6.0< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-apphost-pack-6.0< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-apphost-pack-6.0-dbgsym< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-host< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-host-dbgsym< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-hostfxr-6.0< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-hostfxr-6.0-dbgsym< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-runtime-6.0< 6.0.126-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-runtime-6.0-dbgsym< 6.0.126-0ubuntu1~23.10.1UNKNOWN
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CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.6

Confidence

High

EPSS

0.001

Percentile

40.0%