CVE-2021-24043

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "dateAssigned": "2021-11-09T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-02-02T11:59:31.000Z", "orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.whatsapp.com/security/advisories/2021/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve-assign@fb.com", "DATE_ASSIGNED": "2021-11-09", "ID": "CVE-2021-24043", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.whatsapp.com/security/advisories/2021/", "refsource": "CONFIRM", "url": "https://www.whatsapp.com/security/advisories/2021/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T19:21:17.307Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.whatsapp.com/security/advisories/2021/"}]}]}, "cveMetadata": {"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "assignerShortName": "facebook", "cveId": "CVE-2021-24043", "datePublished": "2022-02-02T11:59:31.000Z", "dateReserved": "2021-01-13T00:00:00.000Z", "dateUpdated": "2024-08-03T19:21:17.307Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:whatsapp:whatsapp:2.21.23.2:*:*:*:*:android:*:*", "matchCriteriaId": "E2C25B9E-58CC-4252-BD71-5BE434424C25", "vulnerable": true}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp:2.21.230.6:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "A008CAA3-8937-4AB2-8A94-D31CFD982BC4", "vulnerable": true}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp:2.2145.0:*:*:*:desktop:*:*:*", "matchCriteriaId": "FCD713BE-B324-4668-B4EC-6967987DD89C", "vulnerable": true}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp_business:2.21.23.2:*:*:*:*:android:*:*", "matchCriteriaId": "54C89209-4539-4E2C-A4C3-C88489CD3D51", "vulnerable": true}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp_business:2.21.230.7:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "C5B4676D-A585-4F23-805B-A5CC995A498B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A missing bound check in RTCP flag parsing code prior to WhatsApp for Android v2.21.23.2, WhatsApp Business for Android v2.21.23.2, WhatsApp for iOS v2.21.230.6, WhatsApp Business for iOS 2.21.230.7, and WhatsApp Desktop v2.2145.0 could have allowed an out-of-bounds heap read if a user sent a malformed RTCP packet during an established call."}, {"lang": "es", "value": "Una comprobaci\u00f3n de l\u00edmites ausente en el c\u00f3digo de an\u00e1lisis de banderas RTCP anterior a WhatsApp para Android versi\u00f3n v2.21.23.2, WhatsApp Business para Android versi\u00f3n v2.21.23.2, WhatsApp para iOS versi\u00f3n v2.21.230.6, WhatsApp Business para iOS versi\u00f3n 2.21.230.7 y WhatsApp Desktop versi\u00f3n v2.2145.0, podr\u00eda haber permitido una lectura de pila fuera de l\u00edmites si un usuario enviaba un paquete RTCP malformado durante una llamada establecida"}], "id": "CVE-2021-24043", "lastModified": "2026-06-17T03:39:12.683", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-02T12:15:07.890", "references": [{"source": "cve-assign@fb.com", "tags": ["Not Applicable", "Vendor Advisory"], "url": "https://www.whatsapp.com/security/advisories/2021/"}, {"source": "nvd@nist.gov", "tags": ["Vendor Advisory"], "url": "https://www.whatsapp.com/security/advisories/2022/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable", "Vendor Advisory"], "url": "https://www.whatsapp.com/security/advisories/2021/"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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