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{
"id": "CVE-2023-1999",
"sourceIdentifier": "cve-coordination@google.com",
"published": "2023-06-20T12:15:09.600",
"lastModified": "2025-02-13T17:16:01.293",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "There exists a use after free/double free in libwebp. An attacker can use the\u00a0ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free."
},
{
"lang": "es",
"value": "Existe un Use After Free/Double Free en libwebp. Un atacante puede usar la funci\u00f3n ApplyFiltersAndEncode() y hacer un bucle para liberar best.bw y asignar best = puntero trial. El segundo bucle devolver\u00e1 0 debido a un error de memoria insuficiente en el codificador VP8, el puntero sigue asignado a trial y el AddressSanitizer intentar\u00e1 un doble free."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "cve-coordination@google.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
},
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "cve-coordination@google.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
},
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-415"
},
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*",
"versionStartIncluding": "0.4.2",
"versionEndExcluding": "1.3.1",
"matchCriteriaId": "17956DAA-EA1F-40A8-8B19-EFBFDBC36DCA"
}
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],
"references": [
{
"url": "https://chromium.googlesource.com/webm/libwebp",
"source": "cve-coordination@google.com",
"tags": [
"Product"
]
},
{
"url": "https://security.gentoo.org/glsa/202309-05",
"source": "cve-coordination@google.com"
},
{
"url": "https://chromium.googlesource.com/webm/libwebp",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Product"
]
},
{
"url": "https://security.gentoo.org/glsa/202309-05",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}