CVE-2024-50590
Vulnerability from cvelistv5
Published
2024-11-08 11:45
Modified
2024-11-08 15:35
Severity ?
EPSS score ?
Summary
Local Privilege Escalation via Weak Service Binary Permissions
References
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:a:hasomed:elefant:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "elefant", "vendor": "hasomed", "versions": [ { "lessThan": "24.04.00", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2024-50590", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-11-08T15:33:19.207618Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-11-08T15:35:03.204Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Elefant", "vendor": "HASOMED", "versions": [ { "status": "affected", "version": "\u003c24.04.00", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Tobias Niemann, SEC Consult Vulnerability Lab" }, { "lang": "en", "type": "finder", "value": "Daniel Hirschberger, SEC Consult Vulnerability Lab" }, { "lang": "en", "type": "finder", "value": "Florian Stuhlmann, SEC Consult Vulnerability Lab" } ], "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAttackers with local access to the medical office computer can \nescalate their Windows user privileges to \"NT AUTHORITY\\SYSTEM\" by \noverwriting one of two Elefant service binaries with weak permissions.\u0026nbsp;The default installation directory of Elefant is \"C:\\Elefant1\" which is \nwritable for all users. In addition, the Elefant installer registers two\n Firebird database services which are running as \u201cNT AUTHORITY\\SYSTEM\u201d.\u0026nbsp;\u003c/p\u003e\u003cp\u003ePath: C:\\Elefant1\\Firebird_2\\bin\\fbserver.exe\u003c/p\u003e\u003cp\u003ePath: C:\\Elefant1\\Firebird_2\\bin\\fbguard.exe\u003cbr\u003e\u003c/p\u003e\u003cp\u003eBoth service binaries are user writable. This means that a local \nattacker can rename one of the service binaries, replace the service \nexecutable with a new executable, and then restart the system. Once the \nsystem has rebooted, the new service binary is executed as \"NT \nAUTHORITY\\SYSTEM\".\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e" } ], "value": "Attackers with local access to the medical office computer can \nescalate their Windows user privileges to \"NT AUTHORITY\\SYSTEM\" by \noverwriting one of two Elefant service binaries with weak permissions.\u00a0The default installation directory of Elefant is \"C:\\Elefant1\" which is \nwritable for all users. In addition, the Elefant installer registers two\n Firebird database services which are running as \u201cNT AUTHORITY\\SYSTEM\u201d.\u00a0\n\nPath: C:\\Elefant1\\Firebird_2\\bin\\fbserver.exe\n\nPath: C:\\Elefant1\\Firebird_2\\bin\\fbguard.exe\n\n\nBoth service binaries are user writable. This means that a local \nattacker can rename one of the service binaries, replace the service \nexecutable with a new executable, and then restart the system. Once the \nsystem has rebooted, the new service binary is executed as \"NT \nAUTHORITY\\SYSTEM\"." } ], "impacts": [ { "capecId": "CAPEC-642", "descriptions": [ { "lang": "en", "value": "CAPEC-642 Replace Binaries" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-276", "description": "CWE-276 Incorrect Default Permissions", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-732", "description": "CWE-732 Incorrect Permission Assignment for Critical Resource", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-250", "description": "CWE-250 Execution with Unnecessary Privileges", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-11-08T11:45:04.756Z", "orgId": "551230f0-3615-47bd-b7cc-93e92e730bbf", "shortName": "SEC-VLab" }, "references": [ { "tags": [ "third-party-advisory" ], "url": "https://r.sec-consult.com/hasomed" }, { "tags": [ "patch" ], "url": "https://hasomed.de/produkte/elefant/" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cp\u003eThe vendor fixed the issue in version 24.04.00\u0026nbsp;(or higher) which can be downloaded from \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://hasomed.de/produkte/elefant/\"\u003ehasomed.de/produkte/elefant/\u003c/a\u003e or via the Elefant Software Updater.\u003cbr\u003e\u003c/p\u003e" } ], "value": "The vendor fixed the issue in version 24.04.00\u00a0(or higher) which can be downloaded from hasomed.de/produkte/elefant/ https://hasomed.de/produkte/elefant/ or via the Elefant Software Updater." } ], "source": { "discovery": "UNKNOWN" }, "title": "Local Privilege Escalation via Weak Service Binary Permissions", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cp\u003eWhile workarounds such as modifying the Elefant windows firewall \nrules and manually adjusting file permissions in the installation folder\n are feasible workarounds for some of the vulnerabilities, it is \nrecommended to install the patches provided by the vendor.\u003c/p\u003e" } ], "value": "While workarounds such as modifying the Elefant windows firewall \nrules and manually adjusting file permissions in the installation folder\n are feasible workarounds for some of the vulnerabilities, it is \nrecommended to install the patches provided by the vendor." } ], "x_generator": { "engine": "Vulnogram 0.2.0" } } }, "cveMetadata": { "assignerOrgId": "551230f0-3615-47bd-b7cc-93e92e730bbf", "assignerShortName": "SEC-VLab", "cveId": "CVE-2024-50590", "datePublished": "2024-11-08T11:45:04.756Z", "dateReserved": "2024-10-25T07:26:12.628Z", "dateUpdated": "2024-11-08T15:35:03.204Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-50590\",\"sourceIdentifier\":\"551230f0-3615-47bd-b7cc-93e92e730bbf\",\"published\":\"2024-11-08T12:15:14.820\",\"lastModified\":\"2024-11-08T19:01:03.880\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Attackers with local access to the medical office computer can \\nescalate their Windows user privileges to \\\"NT AUTHORITY\\\\SYSTEM\\\" by \\noverwriting one of two Elefant service binaries with weak permissions.\u00a0The default installation directory of Elefant is \\\"C:\\\\Elefant1\\\" which is \\nwritable for all users. In addition, the Elefant installer registers two\\n Firebird database services which are running as \u201cNT AUTHORITY\\\\SYSTEM\u201d.\u00a0\\n\\nPath: C:\\\\Elefant1\\\\Firebird_2\\\\bin\\\\fbserver.exe\\n\\nPath: C:\\\\Elefant1\\\\Firebird_2\\\\bin\\\\fbguard.exe\\n\\n\\nBoth service binaries are user writable. This means that a local \\nattacker can rename one of the service binaries, replace the service \\nexecutable with a new executable, and then restart the system. Once the \\nsystem has rebooted, the new service binary is executed as \\\"NT \\nAUTHORITY\\\\SYSTEM\\\".\"},{\"lang\":\"es\",\"value\":\"Los atacantes con acceso local al equipo del consultorio m\u00e9dico pueden escalar sus privilegios de usuario de Windows a \\\"NT AUTHORITY\\\\SYSTEM\\\" sobrescribiendo uno de los dos binarios de servicio de Elefant con permisos d\u00e9biles. El directorio de instalaci\u00f3n predeterminado de Elefant es \\\"C:\\\\Elefant1\\\", que es escribible para todos los usuarios. Adem\u00e1s, el instalador de Elefant registra dos servicios de base de datos de Firebird que se ejecutan como \\\"NT AUTHORITY\\\\SYSTEM\\\". Ruta: C:\\\\Elefant1\\\\Firebird_2\\\\bin\\\\fbserver.exe Ruta: C:\\\\Elefant1\\\\Firebird_2\\\\bin\\\\fbguard.exe Ambos binarios de servicio son escribibles por el usuario. Esto significa que un atacante local puede cambiar el nombre de uno de los binarios de servicio, reemplazar el ejecutable de servicio con un nuevo ejecutable y luego reiniciar el sistema. Una vez que el sistema se ha reiniciado, el nuevo binario de servicio se ejecuta como \\\"NT AUTHORITY\\\\SYSTEM\\\".\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"551230f0-3615-47bd-b7cc-93e92e730bbf\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-250\"},{\"lang\":\"en\",\"value\":\"CWE-276\"},{\"lang\":\"en\",\"value\":\"CWE-732\"}]}],\"references\":[{\"url\":\"https://hasomed.de/produkte/elefant/\",\"source\":\"551230f0-3615-47bd-b7cc-93e92e730bbf\"},{\"url\":\"https://r.sec-consult.com/hasomed\",\"source\":\"551230f0-3615-47bd-b7cc-93e92e730bbf\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.