CVE-2025-14946

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A malicious actor could exploit this by convincing libnbd to open a specially crafted Uniform Resource Identifier (URI). This vulnerability arises because non-standard hostnames starting with '-o' are incorrectly interpreted as arguments to the Secure Shell (SSH) process, rather than as hostnames. This could lead to arbitrary code execution with the privileges of the user running libnbd."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en libnbd. Un actor malicioso podr\u00eda explotar esto al convencer a libnbd de abrir un Identificador Uniforme de Recursos (URI) especialmente dise\u00f1ado. Esta vulnerabilidad surge porque los nombres de host no est\u00e1ndar que comienzan con '-o' se interpretan incorrectamente como argumentos para el proceso de Secure Shell (SSH), en lugar de como nombres de host. Esto podr\u00eda conducir a la ejecuci\u00f3n de c\u00f3digo arbitrario con los privilegios del usuario que ejecuta libnbd."}], "id": "CVE-2025-14946", "lastModified": "2026-11-05T15:17:12.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 3.4, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-14946", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-19T15:13:18.624274Z", "version": "2.0.3"}}]}, "published": "2025-12-19T13:16:03.127", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2025-14946"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423789"}, {"source": "secalert@redhat.com", "url": "https://libguestfs.org/libnbd-release-notes-1.24.1.html#Security"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "libnbd: libnbd: Arbitrary code execution via SSH argument injection through a malicious URI", "id": "2423789", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423789"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-88", "details": ["A flaw was found in libnbd. A malicious actor could exploit this by convincing libnbd to open a specially crafted Uniform Resource Identifier (URI). This vulnerability arises because non-standard hostnames starting with '-o' are incorrectly interpreted as arguments to the Secure Shell (SSH) process, rather than as hostnames. This could lead to arbitrary code execution with the privileges of the user running libnbd."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that applications utilizing libnbd do not process Uniform Resource Identifiers (URIs) from untrusted or unverified sources. This vulnerability requires a malicious actor to convince libnbd to open a specially crafted URI, therefore restricting the sources of URIs processed by libnbd can reduce exposure."}, "name": "CVE-2025-14946", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libnbd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "virt:rhel/libnbd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "libnbd", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-apiserver", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-apiserver-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-cloner", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-cloner-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-controller", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-controller-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-importer", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-importer-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-operator", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-operator-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-uploadproxy", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-uploadproxy-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-uploadserver", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/virt-cdi-uploadserver-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}], "public_date": "2025-12-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-14946\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-14946\nhttps://libguestfs.org/libnbd-release-notes-1.24.1.html#Security"], "statement": "This vulnerability is rated Moderate for Red Hat because it requires a malicious actor to convince `libnbd` to open a specially crafted URI. This leads to arbitrary code execution due to improper handling of non-standard hostnames starting with '-o' as SSH arguments, executing code with the privileges of the user running `libnbd`.", "threat_severity": "Moderate"}

{}