CVE-2019-9809

If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1282430	Exploit Issue Tracking Patch Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1523249	Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2019-07/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-04-26 17:29

Updated : 2023-12-10 12:59

NVD link : CVE-2019-9809

Mitre link : CVE-2019-9809

CVE.ORG link : CVE-2019-9809

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-399

Resource Management Errors

{"id": "CVE-2019-9809", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2019-04-26T17:29:03.883", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1282430", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1523249", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-07/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66."}, {"lang": "es", "value": "Si el origen de los recursos de una p\u00e1gina es a trav\u00e9s de una conexi\u00f3n FTP, es posible desencadenar una serie de mensajes de alerta modales para estos recursos a trav\u00e9s de las ubicaciones o credenciales no v\u00e1lidas. Estos mensajes no pueden descartarse inmediatamente, lo que permite un ataque de Denegaci\u00f3n de Servicio (DOS). Esta vulnerabilidad afecta a Firefox a las versiones anteriores la 66."}], "lastModified": "2019-04-29T19:04:24.533", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF5B7642-9E9D-4578-9120-B95A6B198177", "versionEndExcluding": "66.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}