fkie_cve-2020-15666
Vulnerability from fkie_nvd
Published
2020-10-01 19:15
Modified
2024-11-21 05:05
Severity ?
Summary
When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
References
| URL | Tags | ||
|---|---|---|---|
| security@mozilla.org | https://bugzilla.mozilla.org/show_bug.cgi?id=1450853 | Exploit, Issue Tracking, Vendor Advisory | |
| security@mozilla.org | https://www.mozilla.org/security/advisories/mfsa2020-36/ | Release Notes, Vendor Advisory | |
| security@mozilla.org | https://www.mozilla.org/security/advisories/mfsa2020-39/ | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.mozilla.org/show_bug.cgi?id=1450853 | Exploit, Issue Tracking, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.mozilla.org/security/advisories/mfsa2020-36/ | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.mozilla.org/security/advisories/mfsa2020-39/ | Release Notes, Vendor Advisory |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:*",
"matchCriteriaId": "02FEC5B0-7705-414F-B2F7-BB6F82C1C04F",
"versionEndExcluding": "80.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*",
"matchCriteriaId": "78F3BE06-CA45-47C1-B3FD-04DCEDDCCB5A",
"versionEndExcluding": "80.0",
"vulnerable": true
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"operator": "OR"
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox \u003c 80 and Firefox for Android \u003c 80."
},
{
"lang": "es",
"value": "Cuando se intenta cargar un archivo que no es de video en un contexto de audio y video, el c\u00f3digo de estado exacto (200, 302, 404, 500, 412, 403, etc.) fue revelado por medio del MediaError Message.\u0026#xa0;Este nivel de filtraci\u00f3n de informaci\u00f3n es inconsistente con la divulgaci\u00f3n estandarizada onerror/onsuccess y puede conllevar a inferir el estado de inicio de sesi\u00f3n a los servicios o a la detecci\u00f3n de dispositivos en una red local, entre otros ataques.\u0026#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 80 y Firefox para Android versiones anteriores a 80"
}
],
"id": "CVE-2020-15666",
"lastModified": "2024-11-21T05:05:58.577",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/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
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"cvssMetricV31": [
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
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"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
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"published": "2020-10-01T19:15:13.203",
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"tags": [
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],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-209"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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