CVE-2018-12026

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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:phusion:passenger:*:*:*:*:*:*:*:*", "matchCriteriaId": "E449C3FA-972C-40B2-9C61-27FCE770E497", "versionEndExcluding": "5.3.2", "versionStartIncluding": "5.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation."}, {"lang": "es", "value": "Durante la generaci\u00f3n de una aplicaci\u00f3n maliciosa gestionada por Passenger, SpawningKit en Phusion Passenger en versiones 5.3.x anteriores a la 5.3.2 permite que tales aplicaciones reemplacen archivos o directorios claves en el directorio spawning communication con v\u00ednculos simb\u00f3licos. Esto podr\u00eda resultar en lecturas y escrituras arbitrarias, que en cambio podr\u00edan resultar en una revelaci\u00f3n de informaci\u00f3n y un escalado de privilegios."}], "id": "CVE-2018-12026", "lastModified": "2026-06-17T01:37:01.573", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "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": "2018-06-17T20:29:00.353", "references": [{"source": "cve@mitre.org", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://blog.phusion.nl/passenger-5-3-2"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201807-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://blog.phusion.nl/passenger-5-3-2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201807-02"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "passenger: SpawningKit allows malicious applications to replace files and directories allowing for arbitrary reads and writes", "id": "1592616", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1592616"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-284", "details": ["During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion Passenger 5.3.x before 5.3.2 allows such applications to replace key files or directories in the spawning communication directory with symlinks. This then could result in arbitrary reads and writes, which in turn can result in information disclosure and privilege escalation."], "name": "CVE-2018-12026", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:1.3", "fix_state": "Not affected", "package_name": "rubygem-passenger", "product_name": "Red Hat Ceph Storage 1.3"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Not affected", "package_name": "rubygem-passenger", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:rhui:3", "fix_state": "Not affected", "package_name": "rubygem-passenger", "product_name": "Red Hat Update Infrastructure 3 for Cloud Providers"}], "public_date": "2018-06-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-12026\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-12026\nhttps://blog.phusion.nl/passenger-5-3-2"], "threat_severity": "Important"}

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