CVE-2017-5386

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This vulnerability affects Firefox ESR < 45.7 and Firefox < 51."}, {"lang": "es", "value": "Los scripts de WebExtension pueden emplear el protocolo \"data:\" para afectar a las p\u00e1ginas cargadas por otras extensiones web que empleen este protocolo, lo que conduce a una potencial divulgaci\u00f3n de datos o un escalado de privilegios en las extensiones afectadas. La vulnerabilidad afecta a Firefox ESR en versiones anteriores a la 45.7 y Firefox en versiones anteriores a la 51."}], "id": "CVE-2017-5386", "lastModified": "2026-06-17T01:20:22.313", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "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": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:03.327", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2017-0190.html"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95769"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037693"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1319070"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201702-22"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3771"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-02/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2017-0190.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/95769"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1037693"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1319070"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201702-22"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3771"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-01/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-02/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Muneaki Nishimura as the original reporter.", "affected_release": [{"advisory": "RHSA-2017:0190", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "firefox-0:45.7.0-2.el5_11", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2017-01-25T00:00:00Z"}, {"advisory": "RHSA-2017:0190", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:45.7.0-2.el6_8", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-01-25T00:00:00Z"}, {"advisory": "RHSA-2017:0190", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:45.7.0-2.el7_3", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-01-25T00:00:00Z"}], "bugzilla": {"description": "Mozilla: WebExtensions can use data: protocol to affect other extensions (MFSA 2017-02)", "id": "1416282", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1416282"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "verified"}, "details": ["WebExtension scripts can use the \"data:\" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51."], "name": "CVE-2017-5386", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-01-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-5386\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-5386\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-02/#CVE-2017-5386"], "threat_severity": "Moderate"}

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