fkie_cve-2020-18775
Vulnerability from fkie_nvd
Published
2021-08-23 22:15
Modified
2024-11-21 05:08
Severity ?
Summary
In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://bugzilla.libav.org/show_bug.cgi?id=1152 | Broken Link, Exploit, Issue Tracking, Third Party Advisory | |
| cve@mitre.org | https://cwe.mitre.org/data/definitions/126.html | Technical Description | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.libav.org/show_bug.cgi?id=1152 | Broken Link, Exploit, Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://cwe.mitre.org/data/definitions/126.html | Technical Description |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*",
"matchCriteriaId": "84452BF0-1880-44B1-8BFD-87AD5DFD625C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In Libav 12.3, there is a heap-based buffer over-read in vc1_decode_b_mb_intfi in vc1_block.c that allows an attacker to cause denial-of-service via a crafted file."
},
{
"lang": "es",
"value": "En Libav versi\u00f3n 12.3, se presenta una lectura excesiva del b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n vc1_decode_b_mb_intfi en el archivo vc1_block.c, que permite a un atacante causar una denegaci\u00f3n de servicio por medio de un archivo dise\u00f1ado."
}
],
"id": "CVE-2020-18775",
"lastModified": "2024-11-21T05:08:48.863",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"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": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-08-23T22:15:28.107",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Broken Link",
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.libav.org/show_bug.cgi?id=1152"
},
{
"source": "cve@mitre.org",
"tags": [
"Technical Description"
],
"url": "https://cwe.mitre.org/data/definitions/126.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link",
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.libav.org/show_bug.cgi?id=1152"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Technical Description"
],
"url": "https://cwe.mitre.org/data/definitions/126.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
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.