CVE-2019-0071

{"id": "CVE-2019-0071", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "sirt@juniper.net", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2019-10-09T20:15:18.097", "references": [{"url": "https://kb.juniper.net/JSA10978", "tags": ["Vendor Advisory"], "source": "sirt@juniper.net"}, {"url": "https://www.juniper.net/documentation/en_US/junos/topics/concept/veriexec.html", "tags": ["Vendor Advisory"], "source": "sirt@juniper.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-354"}]}, {"type": "Secondary", "source": "sirt@juniper.net", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "Veriexec is a kernel-based file integrity subsystem in Junos OS that ensures only authorized binaries are able to be executed. Due to a flaw in specific versions of Junos OS, affecting specific EX Series platforms, the Veriexec subsystem will fail to initialize, in essence disabling file integrity checking. This may allow a locally authenticated user with shell access to install untrusted executable images, and elevate privileges to gain full control of the system. During the installation of an affected version of Junos OS are installed, the following messages will be logged to the console: Initializing Verified Exec: /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/brcm-hr3.dtb: Authentication error veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/contents.izo: Authentication error ... This issue affects Juniper Networks Junos OS: 18.1R3-S4 on EX2300, EX2300-C and EX3400; 18.3R1-S3 on EX2300, EX2300-C and EX3400."}, {"lang": "es", "value": "Veriexec es un subsistema de integridad de archivos basado en el kernel en el sistema operativo Junos que asegura que solo puedan ser ejecutados los archivos binarios autorizados. Debido a un fallo en versiones espec\u00edficas del sistema operativo Junos, que afecta a plataformas espec\u00edficas de la Serie EX, el subsistema Veriexec no se inicializar\u00e1, lo que esencialmente deshabilitar\u00e1 la comprobaci\u00f3n de integridad de archivos. Esto puede permitir a un usuario autenticado localmente con acceso de shell instalar im\u00e1genes ejecutables no confiables y elevar los privilegios para conseguir el control total del sistema. Durante la instalaci\u00f3n de una versi\u00f3n afectada del sistema operativo Junos, los siguientes mensajes se registrar\u00e1n en la consola: Initializing Verified Exec: /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" /sbin/veriexec: Undefined symbol \"__aeabi_uidiv\" veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/brcm-hr3.dtb: Authentication error veriexec: /.mount/packages/db/os-kernel-prd-arm-32-20190221.70c2600_builder_stable_11/boot/contents.izo: Authentication error ... Este problema afecta a Juniper Networks Junos OS: versi\u00f3n 18.1R3-S4 en EX2300, EX2300-C y EX3400; versi\u00f3n 18.3R1-S3 en EX2300, EX2300-C y EX3400."}], "lastModified": "2020-09-29T00:20:49.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos:18.1:r3-s4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73978DD8-BD92-4872-8F35-AF2B9BCA1ECB"}, {"criteria": "cpe:2.3:o:juniper:junos:18.3:r1-s3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F6EAFC3-C3AC-4361-8530-39FCF89702F7"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:juniper:ex2300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3B3302CB-457F-4BD2-B80B-F70FB4C4542E"}, {"criteria": "cpe:2.3:h:juniper:ex2300-c:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "979C3597-C53B-4F4B-9EA7-126DA036C86D"}, {"criteria": "cpe:2.3:h:juniper:ex3400:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "47DAF5E7-E610-4D74-8573-41C16D642837"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "sirt@juniper.net"}