VAR-202308-2021

Vulnerability from variot - Updated: 2026-04-10 22:14

.NET and Visual Studio Denial of Service Vulnerability. 9) - aarch64, ppc64le, s390x, x86_64

========================================================================== Ubuntu Security Notice USN-6278-2 August 10, 2023

dotnet6, dotnet7 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in .NET.

Software Description: - 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)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04 LTS: aspnetcore-runtime-6.0 6.0.121-0ubuntu1~22.04.1 aspnetcore-runtime-7.0 7.0.110-0ubuntu1~22.04.1 dotnet-host 6.0.121-0ubuntu1~22.04.1 dotnet-host-7.0 7.0.110-0ubuntu1~22.04.1 dotnet-hostfxr-6.0 6.0.121-0ubuntu1~22.04.1 dotnet-hostfxr-7.0 7.0.110-0ubuntu1~22.04.1 dotnet-runtime-6.0 6.0.121-0ubuntu1~22.04.1 dotnet-runtime-7.0 7.0.110-0ubuntu1~22.04.1 dotnet-sdk-6.0 6.0.121-0ubuntu1~22.04.1 dotnet-sdk-7.0 7.0.110-0ubuntu1~22.04.1 dotnet6 6.0.121-0ubuntu1~22.04.1 dotnet7 7.0.110-0ubuntu1~22.04.1

In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

===================================================================== Red Hat Security Advisory

Synopsis: Important: .NET 6.0 security, bug fix, and enhancement update Advisory ID: RHSA-2023:4644-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4644 Issue date: 2023-08-14 CVE Names: CVE-2023-35390 CVE-2023-38180 =====================================================================

Summary:

An update for .NET 6.0 is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, s390x, x86_64 Red Hat Enterprise Linux CRB (v. 9) - aarch64, s390x, x86_64

Description:

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.121 and .NET Runtime 6.0.21.

Security Fix(es):

dotnet: RCE under dotnet commands (CVE-2023-35390)
dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack (CVE-2023-38180)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Bugs fixed (https://bugzilla.redhat.com/):

2228621 - CVE-2023-38180 dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack 2228622 - CVE-2023-35390 dotnet: RCE under dotnet commands

Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source: dotnet6.0-6.0.121-1.el9_2.src.rpm

aarch64: aspnetcore-runtime-6.0-6.0.21-1.el9_2.aarch64.rpm aspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.aarch64.rpm dotnet-apphost-pack-6.0-6.0.21-1.el9_2.aarch64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-hostfxr-6.0-6.0.21-1.el9_2.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-runtime-6.0-6.0.21-1.el9_2.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-sdk-6.0-6.0.121-1.el9_2.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm dotnet-targeting-pack-6.0-6.0.21-1.el9_2.aarch64.rpm dotnet-templates-6.0-6.0.121-1.el9_2.aarch64.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.aarch64.rpm

s390x: aspnetcore-runtime-6.0-6.0.21-1.el9_2.s390x.rpm aspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.s390x.rpm dotnet-apphost-pack-6.0-6.0.21-1.el9_2.s390x.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-hostfxr-6.0-6.0.21-1.el9_2.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-runtime-6.0-6.0.21-1.el9_2.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-sdk-6.0-6.0.121-1.el9_2.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm dotnet-targeting-pack-6.0-6.0.21-1.el9_2.s390x.rpm dotnet-templates-6.0-6.0.121-1.el9_2.s390x.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.s390x.rpm

x86_64: aspnetcore-runtime-6.0-6.0.21-1.el9_2.x86_64.rpm aspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.x86_64.rpm dotnet-apphost-pack-6.0-6.0.21-1.el9_2.x86_64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-hostfxr-6.0-6.0.21-1.el9_2.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-runtime-6.0-6.0.21-1.el9_2.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-sdk-6.0-6.0.121-1.el9_2.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm dotnet-targeting-pack-6.0-6.0.21-1.el9_2.x86_64.rpm dotnet-templates-6.0-6.0.121-1.el9_2.x86_64.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 9):

aarch64: dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.aarch64.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.aarch64.rpm

s390x: dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.s390x.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.s390x.rpm

x86_64: dotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.x86_64.rpm dotnet6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm dotnet6.0-debugsource-6.0.121-1.el9_2.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/

References:

https://access.redhat.com/security/cve/CVE-2023-35390 https://access.redhat.com/security/cve/CVE-2023-38180 https://access.redhat.com/security/updates/classification/#important

Contact:

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/

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{
  "affected_products": {
    "_id": null,
    "data": [
      {
        "_id": null,
        "model": ".net",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "7.0.0"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.6.0"
      },
      {
        "_id": null,
        "model": "asp.net core",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "2.1"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.6.6"
      },
      {
        "_id": null,
        "model": ".net",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "7.0.10"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.4.0"
      },
      {
        "_id": null,
        "model": "fedora",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "fedoraproject",
        "version": "37"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.2.18"
      },
      {
        "_id": null,
        "model": ".net",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "6.0.0"
      },
      {
        "_id": null,
        "model": "asp.net core",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "2.1.40"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "gte",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.2.0"
      },
      {
        "_id": null,
        "model": ".net",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "6.0.21"
      },
      {
        "_id": null,
        "model": "fedora",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "fedoraproject",
        "version": "38"
      },
      {
        "_id": null,
        "model": "visual studio 2022",
        "scope": "lt",
        "trust": 1.0,
        "vendor": "microsoft",
        "version": "17.4.10"
      },
      {
        "_id": null,
        "model": "microsoft visual studio",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8",
        "version": "2022   17.2"
      },
      {
        "_id": null,
        "model": "microsoft visual studio",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8",
        "version": "2022   17.4"
      },
      {
        "_id": null,
        "model": ".net",
        "scope": null,
        "trust": 0.8,
        "vendor": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8",
        "version": null
      },
      {
        "_id": null,
        "model": "asp.net core",
        "scope": null,
        "trust": 0.8,
        "vendor": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8",
        "version": null
      },
      {
        "_id": null,
        "model": "microsoft visual studio",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8",
        "version": "2022   17.6"
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-002799"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-38180"
      }
    ]
  },
  "credits": {
    "_id": null,
    "data": "Red Hat",
    "sources": [
      {
        "db": "PACKETSTORM",
        "id": "174177"
      },
      {
        "db": "PACKETSTORM",
        "id": "174181"
      },
      {
        "db": "PACKETSTORM",
        "id": "174182"
      },
      {
        "db": "PACKETSTORM",
        "id": "174179"
      },
      {
        "db": "PACKETSTORM",
        "id": "174168"
      },
      {
        "db": "PACKETSTORM",
        "id": "174183"
      }
    ],
    "trust": 0.6
  },
  "cve": "CVE-2023-38180",
  "cvss": {
    "_id": null,
    "data": [
      {
        "cvssV2": [],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "secure@microsoft.com",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "exploitabilityScore": 3.9,
            "id": "CVE-2023-38180",
            "impactScore": 3.6,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "author": "OTHER",
            "availabilityImpact": "High",
            "baseScore": 7.5,
            "baseSeverity": "High",
            "confidentialityImpact": "None",
            "exploitabilityScore": null,
            "id": "JVNDB-2023-002799",
            "impactScore": null,
            "integrityImpact": "None",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "secure@microsoft.com",
            "id": "CVE-2023-38180",
            "trust": 1.0,
            "value": "HIGH"
          },
          {
            "author": "OTHER",
            "id": "JVNDB-2023-002799",
            "trust": 0.8,
            "value": "High"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2023-002799"
      },
      {
        "db": "NVD",
        "id": "CVE-2023-38180"
      }
    ]
  },
  "description": {
    "_id": null,
    "data": ".NET and Visual Studio Denial of Service Vulnerability. 9) - aarch64, ppc64le, s390x, x86_64\n\n3. ==========================================================================\nUbuntu Security Notice USN-6278-2\nAugust 10, 2023\n\ndotnet6, dotnet7 vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 22.04 LTS\n\nSummary:\n\nSeveral security issues were fixed in .NET. \n\nSoftware Description:\n- dotnet6: dotNET CLI tools and runtime\n- dotnet7: dotNET CLI tools and runtime\n\nDetails:\n\nUSN-6278-1 fixed several vulnerabilities in .NET. This update\nprovides the corresponding updates for Ubuntu 22.04 LTS. \n\nOriginal advisory details:\n\n   It was discovered that .NET did properly handle the execution of\n   certain commands. An attacker could possibly use this issue to\n   achieve remote code execution. (CVE-2023-35390)\n\n   Benoit Foucher discovered that .NET did not properly implement the\n   QUIC stream limit in HTTP/3. An attacker could possibly use this\n   issue to cause a denial of service. (CVE-2023-38178)\n\n   It was discovered that .NET did not properly handle the disconnection\n   of potentially malicious clients interfacing with a Kestrel server. An\n   attacker could possibly use this issue to cause a denial of service. \n   (CVE-2023-38180)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 22.04 LTS:\n    aspnetcore-runtime-6.0           6.0.121-0ubuntu1~22.04.1\n    aspnetcore-runtime-7.0           7.0.110-0ubuntu1~22.04.1\n    dotnet-host 6.0.121-0ubuntu1~22.04.1\n    dotnet-host-7.0                       7.0.110-0ubuntu1~22.04.1\n    dotnet-hostfxr-6.0                   6.0.121-0ubuntu1~22.04.1\n    dotnet-hostfxr-7.0                   7.0.110-0ubuntu1~22.04.1\n    dotnet-runtime-6.0                  6.0.121-0ubuntu1~22.04.1\n    dotnet-runtime-7.0                  7.0.110-0ubuntu1~22.04.1\n    dotnet-sdk-6.0                        6.0.121-0ubuntu1~22.04.1\n    dotnet-sdk-7.0                        7.0.110-0ubuntu1~22.04.1\n    dotnet6 6.0.121-0ubuntu1~22.04.1\n    dotnet7 7.0.110-0ubuntu1~22.04.1\n\nIn general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n=====================================================================\n                   Red Hat Security Advisory\n\nSynopsis:          Important: .NET 6.0 security, bug fix, and enhancement update\nAdvisory ID:       RHSA-2023:4644-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2023:4644\nIssue date:        2023-08-14\nCVE Names:         CVE-2023-35390 CVE-2023-38180 \n=====================================================================\n\n1. Summary:\n\nAn update for .NET 6.0 is now available for Red Hat Enterprise Linux 9. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux AppStream (v. 9) - aarch64, s390x, x86_64\nRed Hat Enterprise Linux CRB (v. 9) - aarch64, s390x, x86_64\n\n3. Description:\n\n.NET is a managed-software framework. It implements a subset of the .NET\nframework APIs and several new APIs, and it includes a CLR implementation. \n\nNew versions of .NET that address a security vulnerability are now\navailable. The updated versions are .NET SDK 6.0.121 and .NET Runtime\n6.0.21. \n\nSecurity Fix(es):\n\n* dotnet: RCE under dotnet commands (CVE-2023-35390)\n\n* dotnet: Kestrel vulnerability to slow read attacks leading to Denial of\nService attack (CVE-2023-38180)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n2228621 - CVE-2023-38180 dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack\n2228622 - CVE-2023-35390 dotnet: RCE under dotnet commands\n\n6. Package List:\n\nRed Hat Enterprise Linux AppStream (v. 9):\n\nSource:\ndotnet6.0-6.0.121-1.el9_2.src.rpm\n\naarch64:\naspnetcore-runtime-6.0-6.0.21-1.el9_2.aarch64.rpm\naspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.aarch64.rpm\ndotnet-apphost-pack-6.0-6.0.21-1.el9_2.aarch64.rpm\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-hostfxr-6.0-6.0.21-1.el9_2.aarch64.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-runtime-6.0-6.0.21-1.el9_2.aarch64.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-sdk-6.0-6.0.121-1.el9_2.aarch64.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm\ndotnet-targeting-pack-6.0-6.0.21-1.el9_2.aarch64.rpm\ndotnet-templates-6.0-6.0.121-1.el9_2.aarch64.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.aarch64.rpm\n\ns390x:\naspnetcore-runtime-6.0-6.0.21-1.el9_2.s390x.rpm\naspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.s390x.rpm\ndotnet-apphost-pack-6.0-6.0.21-1.el9_2.s390x.rpm\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-hostfxr-6.0-6.0.21-1.el9_2.s390x.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-runtime-6.0-6.0.21-1.el9_2.s390x.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-sdk-6.0-6.0.121-1.el9_2.s390x.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm\ndotnet-targeting-pack-6.0-6.0.21-1.el9_2.s390x.rpm\ndotnet-templates-6.0-6.0.121-1.el9_2.s390x.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.s390x.rpm\n\nx86_64:\naspnetcore-runtime-6.0-6.0.21-1.el9_2.x86_64.rpm\naspnetcore-targeting-pack-6.0-6.0.21-1.el9_2.x86_64.rpm\ndotnet-apphost-pack-6.0-6.0.21-1.el9_2.x86_64.rpm\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-hostfxr-6.0-6.0.21-1.el9_2.x86_64.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-runtime-6.0-6.0.21-1.el9_2.x86_64.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-sdk-6.0-6.0.121-1.el9_2.x86_64.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm\ndotnet-targeting-pack-6.0-6.0.21-1.el9_2.x86_64.rpm\ndotnet-templates-6.0-6.0.121-1.el9_2.x86_64.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.x86_64.rpm\n\nRed Hat Enterprise Linux CRB (v. 9):\n\naarch64:\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.aarch64.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm\ndotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.aarch64.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.aarch64.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.aarch64.rpm\n\ns390x:\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.s390x.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm\ndotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.s390x.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.s390x.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.s390x.rpm\n\nx86_64:\ndotnet-apphost-pack-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-hostfxr-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-runtime-6.0-debuginfo-6.0.21-1.el9_2.x86_64.rpm\ndotnet-sdk-6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm\ndotnet-sdk-6.0-source-built-artifacts-6.0.121-1.el9_2.x86_64.rpm\ndotnet6.0-debuginfo-6.0.121-1.el9_2.x86_64.rpm\ndotnet6.0-debugsource-6.0.121-1.el9_2.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2023-35390\nhttps://access.redhat.com/security/cve/CVE-2023-38180\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. 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CVE-2023-38180 (GCVE-0-2023-38180)

Vulnerability from cvelistv5 – Published: 2023-08-08 18:52 – Updated: 2026-08-10 15:12

Title

.NET and Visual Studio Denial of Service Vulnerability

Summary

.NET and Visual Studio Denial of Service Vulnerability

Severity

7.5 (High)


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

SSVC

Exploitation: active Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-24 20:42 UTC

CWE

Denial of Service
CWE-400 - Uncontrolled Resource Consumption

Assigner

microsoft CNA under the mitre root

CNA scorecard B 82/100 over 3948 records in the last 180 days details

References

4 references

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerabi…	vendor-advisorypatch
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource
https://lists.fedoraproject.org/archives/list/pac…	x_transferred
https://lists.fedoraproject.org/archives/list/pac…	x_transferred

Impacted products

6 products

Vendor	Product	Version
Microsoft	.NET 6.0	Affected: 6.0.0 , < 6.0.21 (custom)
Microsoft	.NET 7.0	Affected: 7.0.0 , < 7.0.10 (custom)
Microsoft	ASP.NET Core 2.1	Affected: 2.0 , < 2.1.40 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.2	Affected: 17.2.0 , < 17.2.18 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.4	Affected: 17.4.0 , < 17.4.10 (custom)
Microsoft	Microsoft Visual Studio 2022 version 17.6	Affected: 17.6.0 , < 17.6.6 (custom)

Date Public

2023-08-08 07:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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