CVE-2023-30630

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nongnu:dmidecode:*:*:*:*:*:*:*:*", "matchCriteriaId": "16BBE303-AF11-4F4C-B912-963A708ADA30", "versionEndExcluding": "3.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Dmidecode before 3.5 allows -dump-bin to overwrite a local file. This has security relevance because, for example, execution of Dmidecode via Sudo is plausible. NOTE: Some third parties have indicated the fix in 3.5 does not adequately address the vulnerability. The argument is that the proposed patch prevents dmidecode from writing to an existing file. However, there are multiple attack vectors that would not require overwriting an existing file that would provide the same level of unauthorized privilege escalation (e.g. creating a new file in /etc/cron.hourly)."}, {"lang": "es", "value": "Dmidecode antes de la versi\u00f3n 3.5 permite que el comando -dump-bin sobrescriba un archivo local. Esto tiene relevancia en seguridad porque, por ejemplo, la ejecuci\u00f3n de Dmidecode mediante `sudo` resulta plausible. NOTA: Terceros han indicado que la correcci\u00f3n implementada en la versi\u00f3n 3.5 no aborda adecuadamente la vulnerabilidad. El argumento es que el parche propuesto previene que dmidecode escriba en un archivo existente. Sin embargo, hay m\u00faltiples vectores de ataque que no requieren sobreescritura de un archivo existente para lograr una escalada de privilegios similar (por ejemplo, crear un nuevo archivo en /etc/cron.hourly)."}], "id": "CVE-2023-30630", "lastModified": "2026-06-17T05:55:11.853", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-30630", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-07T16:21:53.988439Z", "version": "2.0.3"}}]}, "published": "2023-04-13T16:15:07.930", "references": [{"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=6ca381c1247c81f74e1ca4e7706f70bdda72e6f2"}, {"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=d8cfbc808f387e87091c25e7d5b8c2bb348bb206"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/adamreiser/dmiwrite"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Release Notes", "Vendor Advisory"], "url": "https://lists.nongnu.org/archive/html/dmidecode-devel/2023-03/msg00003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=6ca381c1247c81f74e1ca4e7706f70bdda72e6f2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://git.savannah.nongnu.org/cgit/dmidecode.git/commit/?id=d8cfbc808f387e87091c25e7d5b8c2bb348bb206"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/adamreiser/dmiwrite"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Release Notes", "Vendor Advisory"], "url": "https://lists.nongnu.org/archive/html/dmidecode-devel/2023-03/msg00003.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-23"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:5252", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "dmidecode-1:3.3-4.el8_8.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-09-19T00:00:00Z"}, {"advisory": "RHSA-2023:5061", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "dmidecode-1:3.3-7.el9_2.1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-09-12T00:00:00Z"}], "bugzilla": {"description": "dmidecode: dump-bin to overwrite a local file", "id": "2186669", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2186669"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "status": "verified"}, "cwe": "CWE-269", "details": ["Dmidecode before 3.5 allows -dump-bin to overwrite a local file. This has security relevance because, for example, execution of Dmidecode via Sudo is plausible. NOTE: Some third parties have indicated the fix in 3.5 does not adequately address the vulnerability. The argument is that the proposed patch prevents dmidecode from writing to an existing file. However, there are multiple attack vectors that would not require overwriting an existing file that would provide the same level of unauthorized privilege escalation (e.g. creating a new file in /etc/cron.hourly).", "A vulnerability was found in dmidecode, which allows -dump-bin to overwrite a local file. This issue may lead to the execution of dmidecode via Sudo."], "mitigation": {"lang": "en:us", "value": "Do not configure sudoers file to allow running dmidecode with elevated privileges."}, "name": "CVE-2023-30630", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "dmidecode", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "dmidecode", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-04-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-30630\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-30630\nhttps://github.com/adamreiser/dmiwrite\nhttps://github.com/advisories/GHSA-9r2p-xmm5-5ppg"], "statement": "The impact of the CVE marked as moderate as this CVE relies on an improbable non-default configuration of allowing an unprivileged user to run demidecode under sudo with a specific insecure configuration in the sudoers file. Using dmidecode in such a manner is no different than allowing any other tool to unexpectedly run with elevated privileges.", "threat_severity": "Moderate"}

{}