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2023-05-16 16:09:41 +02:00

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{
"id": "CVE-2018-6548",
"sourceIdentifier": "cve@mitre.org",
"published": "2018-02-02T09:29:00.850",
"lastModified": "2018-02-21T14:19:53.533",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "A use-after-free issue was discovered in libwebm through 2018-02-02. If a Vp9HeaderParser was initialized once before, its property frame_ would not be changed because of code in vp9parser::Vp9HeaderParser::SetFrame. Its frame_ could be freed while the corresponding pointer would not be updated, leading to a dangling pointer. This is related to the function OutputCluster in webm_info.cc."
},
{
"lang": "es",
"value": "Se ha descubierto una vulnerabilidad de uso de memoria previamente liberada en libwebm hasta el 02-02-2018. Si un Vp9HeaderParser se inicializaba una vez antes, su propiedad frame_ no se cambiar\u00eda a causa del c\u00f3digo en vp9parser::Vp9HeaderParser::SetFrame. Su frame_could se liberar\u00eda y el puntero correspondiente no se actualizar\u00eda, provocando un puntero colgante. Esto est\u00e1 relacionado con la funci\u00f3n OutputCluster en webm_info.cc."
}
],
"metrics": {
"cvssMetricV30": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"accessVector": "NETWORK",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5
},
"baseSeverity": "HIGH",
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"acInsufInfo": true,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:webmproject:libwebm:*:*:*:*:*:*:*:*",
"versionEndIncluding": "1.0.0.27",
"matchCriteriaId": "53E7651B-00A8-435B-B375-AE1E282CACE0"
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],
"references": [
{
"url": "https://bugs.chromium.org/p/webm/issues/detail?id=1493",
"source": "cve@mitre.org",
"tags": [
"Permissions Required"
]
},
{
"url": "https://github.com/dwfault/PoCs/blob/master/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info.md",
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
]
}
]
}