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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:webmproject:libwebm:*:*:*:*:*:*:*:*", "matchCriteriaId": "53E7651B-00A8-435B-B375-AE1E282CACE0", "versionEndIncluding": "1.0.0.27", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2018-6548", "lastModified": "2018-02-21T14:19:53.533", "metrics": {"cvssMetricV2": [{"acInsufInfo": true, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-02-02T09:29:00.850", "references": [{"source": "cve@mitre.org", "tags": ["Permissions Required"], "url": "https://bugs.chromium.org/p/webm/issues/detail?id=1493"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/dwfault/PoCs/blob/master/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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