CVE-2024-7383

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.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2024:6757
https://access.redhat.com/errata/RHSA-2024:6964
https://access.redhat.com/security/cve/CVE-2024-7383
https://bugzilla.redhat.com/show_bug.cgi?id=2302865
https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2
https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/

Configurations

No configuration.

History

No history.

Information

Published : 2024-08-05 14:15

Updated : 2026-06-17 08:19

NVD link : CVE-2024-7383

Mitre link : CVE-2024-7383

CVE.ORG link : CVE-2024-7383

JSON object : View

Products Affected

No product.

CWE

CWE-295

Improper Certificate Validation

{"id": "CVE-2024-7383", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-7383", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2024-08-06T16:15:33.971325Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.2}]}, "affected": [{"source": "secalert@redhat.com", "affectedData": [{"versions": [{"status": "affected", "version": "1.18.0", "lessThan": "1.18.5", "versionType": "semver"}, {"status": "affected", "version": "1.20.0", "lessThan": "1.20.2", "versionType": "semver"}], "packageName": "libnbd", "collectionURL": "https://gitlab.com/nbdkit/libnbd", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "8100020240905091210.489197e6", "lessThan": "*", "versionType": "rpm"}], "packageName": "virt-devel:rhel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8::appstream", "cpe:/a:redhat:enterprise_linux:8::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "8100020240905091210.489197e6", "lessThan": "*", "versionType": "rpm"}], "packageName": "virt:rhel", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", "cpe:/a:redhat:enterprise_linux:9::crb"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:1.18.1-4.el9_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "libnbd", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:10"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "packageName": "libnbd", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "packageName": "virt:av/libnbd", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}]}], "published": "2024-08-05T14:15:35.130", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:6757", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:6964", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2024-7383", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2302865", "source": "secalert@redhat.com"}, {"url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2", "source": "secalert@redhat.com"}, {"url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/", "source": "secalert@redhat.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en libnbd. El cliente no siempre verificaba correctamente el certificado del servidor NBD cuando usaba TLS para conectarse a un servidor NBD. Este problema permite un ataque de intermediario al tr\u00e1fico NBD."}], "lastModified": "2026-06-17T08:19:59.413", "sourceIdentifier": "secalert@redhat.com"}