{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"cveId": "CVE-2023-1999", "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778", "state": "PUBLISHED", "assignerShortName": "Google", "dateReserved": "2023-04-12T09:40:34.560Z", "datePublished": "2023-06-20T11:28:52.547Z", "dateUpdated": "2023-06-20T11:28:52.547Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://chromium.googlesource.com/webm/libwebp", "defaultStatus": "unaffected", "packageName": "libwebp", "product": "libwebp", "repo": "https://chromium.googlesource.com/", "vendor": "Chromium", "versions": [{"lessThan": "1.3.1", "status": "affected", "version": "0.4.2", "versionType": "custom"}, {"lessThan": "1.3.0-8-ga486d800", "status": "affected", "version": "0.4.2", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There exists a use after free/double free in libwebp. An attacker can use the&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">ApplyFiltersAndEncode() 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.&nbsp;</span><br>"}], "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.\u00a0\n"}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "description": "CWE-416 Use After Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "14ed7db2-1595-443d-9d34-6215bf890778", "shortName": "Google", "dateUpdated": "2023-06-20T11:28:52.547Z"}, "references": [{"url": "https://chromium.googlesource.com/webm/libwebp"}, {"url": "https://security.gentoo.org/glsa/202309-05"}], "source": {"discovery": "EXTERNAL"}, "title": "Use after free in libwebp", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*", "matchCriteriaId": "17956DAA-EA1F-40A8-8B19-EFBFDBC36DCA", "versionEndExcluding": "1.3.1", "versionStartIncluding": "0.4.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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.\u00a0\n"}, {"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."}], "id": "CVE-2023-1999", "lastModified": "2023-09-17T09:15:12.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "cve-coordination@google.com", "type": "Secondary"}]}, "published": "2023-06-20T12:15:09.600", "references": [{"source": "cve-coordination@google.com", "tags": ["Product"], "url": "https://chromium.googlesource.com/webm/libwebp"}, {"source": "cve-coordination@google.com", "url": "https://security.gentoo.org/glsa/202309-05"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}, {"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

{}