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ubuntuUbuntuUSN-6438-2
HistoryOct 25, 2023 - 12:00 a.m.

.Net regressions

2023-10-2500:00:00
ubuntu.com
30
ubuntu
dotnet6
dotnet7
.net
regressions
cve-2023-36799
cve-2023-44487
denial of service
kestrel web server
http/2
x.509 certificates

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.732 High

EPSS

Percentile

98.1%

JSON

Releases

  • Ubuntu 23.10

Packages

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

Details

USN-6438-1 fixed vulnerabilities in .Net. It was discovered that the fix
for [](<https://ubuntu.com/security/<a href=“/security/CVE-2023-36799”>CVE-2023-36799</a>>)CVE-2023-36799 was incomplete. This update fixes the problem.

Original advisory 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. (CVE-2023-36799)

It was discovered that the .NET Kestrel web server did not properly
handle HTTP/2 requests. A remote attacker could possibly use this
issue to cause a denial of service. (CVE-2023-44487)

OSVersionArchitecturePackageVersionFilename
Ubuntu23.10noarchaspnetcore-runtime-6.0< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchaspnetcore-targeting-pack-6.0< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-apphost-pack-6.0< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-apphost-pack-6.0-dbgsym< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-host< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-host-dbgsym< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-hostfxr-6.0< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-hostfxr-6.0-dbgsym< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-runtime-6.0< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Ubuntu23.10noarchdotnet-runtime-6.0-dbgsym< 6.0.124-0ubuntu1~23.10.1UNKNOWN
Rows per page:
1-10 of 341

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2023-10-25 00:00:00
Ubuntu: Security Advisory (USN-6362-1)
2023-09-13 00:00:00
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2023-10-25 03:44:47
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Microsoft Security Advisory CVE-2023-36799: .NET Denial of Service Vulnerability
2023-09-12 19:57:06
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Ubuntu 23.10 : .NET vulnerabilities (USN-6438-1)
2023-10-19 00:00:00
Oracle Linux 8 : .NET / 6.0 (ELSA-2023-6245)
2023-11-06 00:00:00
Oracle Linux 9 : .NET / 7.0 (ELSA-2023-6246)
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(RHSA-2023:5145) Moderate: .NET 7.0 security update
2023-09-13 14:26:39
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almalinux
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Moderate: .NET 7.0 security update
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Moderate: .NET 6.0 security update
2023-11-01 00:00:00
Moderate: .NET 6.0 security update
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alpinelinux
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2024-05-17 21:38:35
CVE-2023-44487 affecting package moby-containerd-cc for versions less than 1.7.1-5
2024-02-09 19:07:07
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Important: nghttp2
2023-10-16 13:45:00
fedora
fedora
[SECURITY] Fedora 39 Update: proxygen-2023.10.16.00-1.fc39
2023-11-03 19:01:54
[SECURITY] Fedora 38 Update: wangle-2023.10.16.00-1.fc38
2023-10-24 01:23:49
[SECURITY] Fedora 38 Update: fbthrift-2023.10.16.00-1.fc38
2023-10-24 01:23:49
redos
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ROS-20231107-01
2023-11-07 00:00:00
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Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Cloud Pak for Applications, is vulnerable to denial of service due to HTTP/2 Rapid Reset vulnerability (CVE-2023-44487)
2023-11-15 20:45:34
Security Bulletin: IBM Storage Ceph is vulnerable to Uncontrolled Resource Consumption in Grafana (CVE-2023-44487)
2024-01-26 22:15:52
debian
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[SECURITY] [DLA 3617-2] tomcat9 regression update
2023-10-16 22:23:23
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2023-10-31 14:09:23
githubexploit
githubexploit
Exploit for Uncontrolled Resource Consumption in Ietf Http
2023-12-11 23:12:03

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.732 High

EPSS

Percentile

98.1%

JSON
Related for USN-6438-2
openvas23osv26nessus53ubuntu3redhatcve1redhat28oraclelinux10cve1almalinux13alpinelinux1rocky6ubuntucve1nvd1prion1vulnrichment1cvelist1github2mscve1veracode2atlassian1cbl_mariner13amazon1fedora3redos1ibm2debian2githubexploit1