Vulnerability-Lookup

CVE-2024-7383 (GCVE-0-2024-7383)

Vulnerability from cvelistv5 – Published: 2024-08-05 13:19 – Updated: 2026-02-25 20:32

Title

Libnbd: nbd server improper certificate validation

Summary

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.

Severity

7.4 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-08-06 16:15 UTC

CWE

CWE-295 - Improper Certificate Validation

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:6757	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:6964	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2024-7383	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2302865	issue-trackingx_refsource_REDHAT
https://lists.libguestfs.org/archives/list/guestf…
https://lists.libguestfs.org/archives/list/guestf…

Impacted products

5 products

Vendor	Product	Version
		Affected: 1.18.0 , < 1.18.5 (semver) Affected: 1.20.0 , < 1.20.2 (semver)
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020240905091210.489197e6 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::crb
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:1.18.1-4.el9_4 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 8 Advanced Virtualization	cpe:/a:redhat:advanced_virtualization:8::el8

Date Public

2024-06-25 00:00

Credits

Red Hat would like to thank Jon Szymaniak for reporting this issue.

Show details on NVD website

JSON

To clipboard

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                  "status": "affected",
                  "version": "1.18.0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.20.2",
                  "status": "affected",
                  "version": "1.20.0",
                  "versionType": "semver"
                }
              ]
            },
            {
              "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
              "cpes": [
                "cpe:/a:redhat:enterprise_linux:8::appstream",
                "cpe:/a:redhat:enterprise_linux:8::crb"
              ],
              "defaultStatus": "affected",
              "packageName": "virt-devel:rhel",
              "product": "Red Hat Enterprise Linux 8",
              "vendor": "Red Hat",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "unaffected",
                  "version": "8100020240905091210.489197e6",
                  "versionType": "rpm"
                }
              ]
            },
            {
              "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
              "cpes": [
                "cpe:/a:redhat:enterprise_linux:8::appstream",
                "cpe:/a:redhat:enterprise_linux:8::crb"
              ],
              "defaultStatus": "affected",
              "packageName": "virt:rhel",
              "product": "Red Hat Enterprise Linux 8",
              "vendor": "Red Hat",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "unaffected",
                  "version": "8100020240905091210.489197e6",
                  "versionType": "rpm"
                }
              ]
            },
            {
              "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
              "cpes": [
                "cpe:/a:redhat:enterprise_linux:9::appstream",
                "cpe:/a:redhat:enterprise_linux:9::crb"
              ],
              "defaultStatus": "affected",
              "packageName": "libnbd",
              "product": "Red Hat Enterprise Linux 9",
              "vendor": "Red Hat",
              "versions": [
                {
                  "lessThan": "*",
                  "status": "unaffected",
                  "version": "0:1.18.1-4.el9_4",
                  "versionType": "rpm"
                }
              ]
            },
            {
              "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
              "cpes": [
                "cpe:/o:redhat:enterprise_linux:10"
              ],
              "defaultStatus": "affected",
              "packageName": "libnbd",
              "product": "Red Hat Enterprise Linux 10",
              "vendor": "Red Hat"
            },
            {
              "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
              "cpes": [
                "cpe:/a:redhat:advanced_virtualization:8::el8"
              ],
              "defaultStatus": "affected",
              "packageName": "virt:av/libnbd",
              "product": "Red Hat Enterprise Linux 8 Advanced Virtualization",
              "vendor": "Red Hat"
            }
          ],
          "credits": [
            {
              "lang": "en",
              "value": "Red Hat would like to thank Jon Szymaniak for reporting this issue."
            }
          ],
          "datePublic": "2024-06-25T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "A flaw was found in libnbd. The client did not always correctly verify the NBD server\u0027s certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic."
            }
          ],
          "metrics": [
            {
              "other": {
                "content": {
                  "namespace": "https://access.redhat.com/security/updates/classification/",
                  "value": "Moderate"
                },
                "type": "Red Hat severity rating"
              }
            },
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.4,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-295",
                  "description": "Improper Certificate Validation",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-11-08T07:13:53.292Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "name": "RHSA-2024:6757",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2024:6757"
            },
            {
              "name": "RHSA-2024:6964",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2024:6964"
            },
            {
              "tags": [
                "vdb-entry",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2024-7383"
            },
            {
              "name": "RHBZ#2302865",
              "tags": [
                "issue-tracking",
                "x_refsource_REDHAT"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2302865"
            },
            {
              "url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2"
            },
            {
              "url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2024-08-04T15:38:14.534000+00:00",
              "value": "Reported to Red Hat."
            },
            {
              "lang": "en",
              "time": "2024-06-25T00:00:00+00:00",
              "value": "Made public."
            }
          ],
          "title": "Libnbd: nbd server improper certificate validation",
          "x_redhatCweChain": "CWE-295: Improper Certificate Validation"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2024-7383",
        "datePublished": "2024-08-05T13:19:13.933Z",
        "dateReserved": "2024-08-01T14:01:54.833Z",
        "dateUpdated": "2025-11-08T07:13:53.292Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}

RHSA-2024_6964

Vulnerability from csaf_redhat - Published: 2024-09-24 03:34 - Updated: 2024-12-12 04:09

Summary

Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2024-7383.

CVE-2024-7383

7.4 (High)


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

Fixed: 940 products

https://access.redhat.com/errata/RHSA-2024:6964

Open the full advisory

SUSE-SU-2024:2789-1

Vulnerability from csaf_suse - Published: 2024-08-06 14:10 - Updated: 2024-08-06 14:10

Summary

Security update for libnbd

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2024-7383.

CVE-2024-7383

7.4 (High)


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

Recommended: 21 products

Open the full advisory

SUSE-SU-2024:2813-1

Vulnerability from csaf_suse - Published: 2024-08-07 10:01 - Updated: 2024-08-07 10:01

Summary

Security update for libnbd

Severity

Important

Scope

1 vulnerability in this advisory, including CVE-2024-7383.

CVE-2024-7383

7.4 (High)


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

Recommended: 33 products

Open the full advisory

UBUNTU-CVE-2024-7383 (CVE-2024-7383)

Vulnerability from osv_ubuntu – Published: 2024-08-05 14:15 – Updated: 2026-05-20 15:07 – Source website

Details

Severity

7.4 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-7383	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-7383	REPORT
	https://bugzilla.redhat.com/show_bug.cgi?id=2302865	REPORT
	https://lists.libguestfs.org/archives/list/guestf…	REPORT
	https://gitlab.com/nbdkit/libnbd/-/commit/87ef41b…	REPORT
	https://gitlab.com/nbdkit/libnbd/-/commit/6ed47a2…	REPORT
	https://gitlab.com/nbdkit/libnbd/-/commit/5ff09cd…	REPORT
	https://gitlab.com/nbdkit/libnbd/-/commit/7a45b5d…	REPORT
	https://gitlab.com/nbdkit/libnbd/-/commit/e621856…	REPORT
	https://access.redhat.com/security/cve/CVE-2024-7383	REPORT
	https://lists.libguestfs.org/archives/list/guestf…	REPORT
	https://lists.libguestfs.org/archives/list/guestf…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnbd-ocaml",
            "binary_version": "1.2.2-1ubuntu2"
          },
          {
            "binary_name": "libnbd0",
            "binary_version": "1.2.2-1ubuntu2"
          },
          {
            "binary_name": "nbdfuse",
            "binary_version": "1.2.2-1ubuntu2"
          },
          {
            "binary_name": "python3-libnbd",
            "binary_version": "1.2.2-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "libnbd",
        "purl": "pkg:deb/ubuntu/libnbd@1.2.2-1ubuntu2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.3-1",
        "1.2.1-2",
        "1.2.2-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnbd-bin",
            "binary_version": "1.10.5-1"
          },
          {
            "binary_name": "libnbd-ocaml",
            "binary_version": "1.10.5-1"
          },
          {
            "binary_name": "libnbd0",
            "binary_version": "1.10.5-1"
          },
          {
            "binary_name": "python3-libnbd",
            "binary_version": "1.10.5-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "libnbd",
        "purl": "pkg:deb/ubuntu/libnbd@1.10.5-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.3-1",
        "1.8.5-1",
        "1.10.2-1",
        "1.10.5-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnbd-bin",
            "binary_version": "1.20.0-1"
          },
          {
            "binary_name": "libnbd-ocaml",
            "binary_version": "1.20.0-1"
          },
          {
            "binary_name": "libnbd0",
            "binary_version": "1.20.0-1"
          },
          {
            "binary_name": "python3-libnbd",
            "binary_version": "1.20.0-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libnbd",
        "purl": "pkg:deb/ubuntu/libnbd@1.20.0-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.4-1",
        "1.18.1-1",
        "1.18.2-1",
        "1.18.2-1build1",
        "1.18.2-2",
        "1.18.2-2build1",
        "1.20.0-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnbd-bin",
            "binary_version": "1.22.2-1build2"
          },
          {
            "binary_name": "libnbd-ocaml",
            "binary_version": "1.22.2-1build2"
          },
          {
            "binary_name": "libnbd0",
            "binary_version": "1.22.2-1build2"
          },
          {
            "binary_name": "python3-libnbd",
            "binary_version": "1.22.2-1build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libnbd",
        "purl": "pkg:deb/ubuntu/libnbd@1.22.2-1build2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.0-1",
        "1.22.2-1build1",
        "1.22.2-1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libnbd-bin",
            "binary_version": "1.24.2-1ubuntu1"
          },
          {
            "binary_name": "libnbd-ocaml",
            "binary_version": "1.24.2-1ubuntu1"
          },
          {
            "binary_name": "libnbd0",
            "binary_version": "1.24.2-1ubuntu1"
          },
          {
            "binary_name": "python3-libnbd",
            "binary_version": "1.24.2-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libnbd",
        "purl": "pkg:deb/ubuntu/libnbd@1.24.2-1ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.2-1build2",
        "1.24.0-2ubuntu1",
        "1.24.1-1ubuntu6",
        "1.24.2-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "A flaw was found in libnbd. The client did not always correctly verify the NBD server\u0027s certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.",
  "id": "UBUNTU-CVE-2024-7383",
  "modified": "2026-05-20T15:07:28Z",
  "published": "2024-08-05T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-7383"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-7383"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2302865"
    },
    {
      "type": "REPORT",
      "url": "https://lists.libguestfs.org/archives/list/guestfs%40lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2/"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/nbdkit/libnbd/-/commit/87ef41b69929d5d293390ec36b1c10aba2c9a57a"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/nbdkit/libnbd/-/commit/6ed47a27d14f6f11946bb096d94e5bf21d97083d"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/nbdkit/libnbd/-/commit/5ff09cdbbd19226dd2d5015d76134f88dee9321e"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/nbdkit/libnbd/-/commit/7a45b5db68c59cc620ba328f0ebec1e7058cd95a"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.com/nbdkit/libnbd/-/commit/e62185645c4d1a833d40aa79f3fee4ed477827c2"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2024-7383"
    },
    {
      "type": "REPORT",
      "url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2"
    },
    {
      "type": "REPORT",
      "url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-7383"
  ]
}

WID-SEC-W-2024-2179

Vulnerability from csaf_certbund - Published: 2024-09-18 22:00 - Updated: 2026-03-26 23:00

Summary

Red Hat Enterprise Linux (libnbd): Schwachstelle ermöglicht Man-in-the-middle-Bedingung

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2024-7383.

CVE-2024-7383

Known affected: 7 products

Open the full advisory

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2024-7383 (GCVE-0-2024-7383)

RHSA-2024_6964

SUSE-SU-2024:2789-1

SUSE-SU-2024:2813-1

UBUNTU-CVE-2024-7383 (CVE-2024-7383)

WID-SEC-W-2024-2179

Tags

Sightings

Nomenclature

Related by attack behaviour