fkie_cve-2020-20902
Vulnerability from fkie_nvd
Published
2021-09-20 16:15
Modified
2024-11-21 05:12
Severity ?
Summary
A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "DBBD92DC-917C-4331-A949-4D310EA3CD12",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R\u0027(0), that could result in disclosure of information."
},
{
"lang": "es",
"value": "UNA CWE-125: Se presenta una vulnerabilidad de lectura fuera de l\u00edmites en la funci\u00f3n long_term_filter en el archivo g729postfilter.c en Ffmpeg versi\u00f3n 4.2.1, durante el c\u00e1lculo del denominador de la correlaci\u00f3n pseudo-normalizada R\u0027(0), que podr\u00eda resultar en una divulgaci\u00f3n de informaci\u00f3n"
}
],
"id": "CVE-2020-20902",
"lastModified": "2024-11-21T05:12:17.940",
"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
}
],
"cvssMetricV31": [
{
"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"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-09-20T16:15:09.463",
"references": [
{
"source": "cve@mitre.org",
"url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=0c61661a2cbe1b8b284c80ada1c2fdddf4992cad"
},
{
"source": "cve@mitre.org",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"url": "https://trac.ffmpeg.org/ticket/8176"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=0c61661a2cbe1b8b284c80ada1c2fdddf4992cad"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"url": "https://trac.ffmpeg.org/ticket/8176"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"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.
- 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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