CVE-2015-4518

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "A741F21D-4095-47E0-AAB4-DDBDAAC5BAB1", "versionEndIncluding": "41.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and conduct cross-site scripting (XSS) attacks via vectors involving SVG animations and the about:reader URL."}, {"lang": "es", "value": "La implementaci\u00f3n Reader View en Mozilla Firefox en versiones anteriores a 42.0 tiene una lista blanca inadecuada, lo que hace que sea m\u00e1s f\u00e1cil para atacantes remotos eludir el mecanismo de protecci\u00f3n Content Security Policy (CSP) y realizar ataques cross-site scripting (XSS) a trav\u00e9s de vectores involucrados con animaciones SVG y la URL about:reader."}], "id": "CVE-2015-4518", "lastModified": "2026-06-17T00:27:27.520", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2015-11-05T05:59:04.570", "references": [{"source": "security@mozilla.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2015/mfsa2015-118.html"}, {"source": "security@mozilla.org", "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "security@mozilla.org", "url": "http://www.securitytracker.com/id/1034069"}, {"source": "security@mozilla.org", "url": "http://www.ubuntu.com/usn/USN-2785-1"}, {"source": "security@mozilla.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1136692"}, {"source": "security@mozilla.org", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1182778"}, {"source": "security@mozilla.org", "url": "https://security.gentoo.org/glsa/201512-10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.mozilla.org/security/announce/2015/mfsa2015-118.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1034069"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-2785-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1136692"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1182778"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201512-10"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Mozilla project for reporting this issue.", "bugzilla": {"description": "Mozilla: CSP bypass due to permissive Reader mode whitelist (MFSA 2015-118)", "id": "1277339", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1277339"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "status": "draft"}, "details": ["The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and conduct cross-site scripting (XSS) attacks via vectors involving SVG animations and the about:reader URL."], "name": "CVE-2015-4518", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 5"}, {"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": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"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": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2015-11-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-4518\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-4518\nhttps://www.mozilla.org/security/announce/2015/mfsa2015-118.html"], "statement": "This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.", "threat_severity": "Moderate"}

{}