CVE-2017-7803

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This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55."}, {"lang": "es", "value": "Cuando la cabecera CSP (Content Security Policy) de una p\u00e1gina contiene una directiva \"sandbox\", se ignoran otras directivas. Esto resulta en el cumplimiento incorrecto de CSP. Esta vulnerabilidad afecta a las versiones anteriores a la 52.3 de Thunderbird, las versiones anteriores a la 52.3 de Firefox ESR y las versiones anteriores a la 55 de Firefox."}], "id": "CVE-2017-7803", "lastModified": "2026-06-17T01:25:13.550", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:09.937", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100234"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039124"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2456"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2534"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1377426"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201803-14"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3928"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3968"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-19/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-20/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100234"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039124"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2456"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/errata/RHSA-2017:2534"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1377426"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201803-14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3928"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2017/dsa-3968"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-19/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-20/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Rhys Enniks as the original reporter.", "affected_release": [{"advisory": "RHSA-2017:2456", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "firefox-0:52.3.0-3.el6_9", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-08-10T00:00:00Z"}, {"advisory": "RHSA-2017:2534", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "thunderbird-0:52.3.0-1.el6_9", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-08-24T00:00:00Z"}, {"advisory": "RHSA-2017:2456", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "firefox-0:52.3.0-2.el7_4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-10T00:00:00Z"}, {"advisory": "RHSA-2017:2534", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "thunderbird-0:52.3.0-1.el7_4", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-08-24T00:00:00Z"}], "bugzilla": {"description": "Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)", "id": "1479225", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1479225"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-863", "details": ["When a page's content security policy (CSP) header contains a \"sandbox\" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55."], "name": "CVE-2017-7803", "public_date": "2017-08-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7803\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7803\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-19/#CVE-2017-7803"], "threat_severity": "Moderate"}

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