CVE-2017-7783

{"containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "55", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2017-08-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "If a long user name is used in a username/password combination in a site URL (such as \" http://UserName:Password@example.com\"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55."}], "problemTypes": [{"descriptions": [{"description": "DOS attack through long username in URL", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-06-12T09:57:01.000Z", "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla"}, "references": [{"name": "100401", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/100401"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"name": "43020", "tags": ["exploit", "x_refsource_EXPLOIT-DB"], "url": "https://www.exploit-db.com/exploits/43020/"}, {"name": "1039124", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1039124"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@mozilla.org", "ID": "CVE-2017-7783", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Firefox", "version": {"version_data": [{"version_affected": "<", "version_value": "55"}]}}]}, "vendor_name": "Mozilla"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "If a long user name is used in a username/password combination in a site URL (such as \" http://UserName:Password@example.com\"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "DOS attack through long username in URL"}]}]}, "references": {"reference_data": [{"name": "100401", "refsource": "BID", "url": "http://www.securityfocus.com/bid/100401"}, {"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842", "refsource": "CONFIRM", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"}, {"name": "https://www.mozilla.org/security/advisories/mfsa2017-18/", "refsource": "CONFIRM", "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"name": "43020", "refsource": "EXPLOIT-DB", "url": "https://www.exploit-db.com/exploits/43020/"}, {"name": "1039124", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1039124"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:12:28.386Z"}, "title": "CVE Program Container", "references": [{"name": "100401", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/100401"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"name": "43020", "tags": ["exploit", "x_refsource_EXPLOIT-DB", "x_transferred"], "url": "https://www.exploit-db.com/exploits/43020/"}, {"name": "1039124", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1039124"}]}]}, "cveMetadata": {"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "assignerShortName": "mozilla", "cveId": "CVE-2017-7783", "datePublished": "2018-06-11T21:00:00.000Z", "dateReserved": "2017-04-12T00:00:00.000Z", "dateUpdated": "2024-08-05T16:12:28.386Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "55", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@mozilla.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E741DB2-0D96-41AD-A083-544CAFD70780", "versionEndExcluding": "55.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "If a long user name is used in a username/password combination in a site URL (such as \" http://UserName:Password@example.com\"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55."}, {"lang": "es", "value": "Si se emplea un nombre de usuario largo en una combinaci\u00f3n nombre de usuario/contrase\u00f1a en una URL de un sitio (como \" http://NombreUsuario:Contrase\u00f1a@ejemplo.com\"), el mensaje modal resultante se mantendr\u00e1 en un estado sin respuesta o se cerrar\u00e1 inesperadamente, provocando una denegaci\u00f3n de servicio (DoS). La vulnerabilidad afecta a Firefox en versiones anteriores a la 55."}], "id": "CVE-2017-7783", "lastModified": "2026-06-17T01:25:11.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "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": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-06-11T21:29:09.030", "references": [{"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100401"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1039124"}, {"source": "security@mozilla.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"}, {"source": "security@mozilla.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/43020/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/100401"}, {"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": ["Exploit", "Issue Tracking", "Patch"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1360842"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.exploit-db.com/exploits/43020/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2017-18/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Amit Sangra as the original reporter.", "bugzilla": {"description": "Mozilla: DOS attack through long username in URL (MFSA 2017-18)", "id": "1479176", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1479176"}, "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:N/A:H", "status": "draft"}, "details": ["If a long user name is used in a username/password combination in a site URL (such as \" http://UserName:Password@example.com\"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55."], "name": "CVE-2017-7783", "package_state": [{"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:7", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2017-08-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7783\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7783\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7783"], "threat_severity": "Low"}

{}