CVE-2018-20434

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2019-01-06T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-06-28T16:06:06.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"}, {"tags": ["x_refsource_MISC"], "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"}, {"tags": ["x_refsource_MISC"], "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-20434", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d", "refsource": "MISC", "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"}, {"name": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing", "refsource": "MISC", "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"}, {"name": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/", "refsource": "MISC", "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"}, {"name": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"}, {"name": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T11:58:19.369Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-20434", "datePublished": "2019-04-24T20:05:43.000Z", "dateReserved": "2018-12-24T00:00:00.000Z", "dateUpdated": "2024-08-05T11:58:19.369Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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:librenms:librenms:1.46:*:*:*:*:*:*:*", "matchCriteriaId": "160112A5-16AF-441D-BE77-C6F01F90DAD0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LibreNMS 1.46 allows remote attackers to execute arbitrary OS commands by using the $_POST['community'] parameter to html/pages/addhost.inc.php during creation of a new device, and then making a /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost request that triggers html/includes/output/capture.inc.php command mishandling."}, {"lang": "es", "value": "LibreNMS 1.46 permite a los atacantes remotos ejecutar comandos OS arbitrarios mediante el uso del par\u00e1metro $_POST['community'] en html/pages/addhost.inc.php durante la creaci\u00f3n de un nuevo dispositivo y posteriormente haciendo una petici\u00f3n /ajax_output.php?id=capture&format=text&type=snmpwalk&hostname=localhost que desencadene una mala gesti\u00f3n del comando html/includes/output/capture.inc.php"}], "id": "CVE-2018-20434", "lastModified": "2026-06-17T01:52:50.273", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-24T21:29:00.400", "references": [{"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"}, {"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"}, {"source": "cve@mitre.org", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/153188/LibreNMS-addhost-Command-Injection.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/153448/LibreNMS-1.46-addhost-Remote-Code-Execution.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://drive.google.com/file/d/1LcGmOY8x-TG-wnNr-cM_f854kxk0etva/view?usp=sharing"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/mhaskar/516df57aafd8c6e3a1d70765075d372d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://shells.systems/librenms-v1-46-remote-code-execution-cve-2018-20434/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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