CVE-2021-24026

A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.whatsapp.com/security/advisories/2021/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:whatsapp:whatsapp::::::android::*
	cpe:2.3:a:whatsapp:whatsapp::::::iphone_os::*
	cpe:2.3:a:whatsapp:whatsapp_business::::::android::*
	cpe:2.3:a:whatsapp:whatsapp_business::::::iphone_os::*

History

No history.

Information

Published : 2021-04-06 17:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-24026

Mitre link : CVE-2021-24026

CVE.ORG link : CVE-2021-24026

JSON object : View

Products Affected

whatsapp

whatsapp_business
whatsapp

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2021-24026", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-04-06T17:15:12.870", "references": [{"url": "https://www.whatsapp.com/security/advisories/2021/", "tags": ["Vendor Advisory"], "source": "cve-assign@fb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "cve-assign@fb.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write."}, {"lang": "es", "value": "Una falta de comprobaci\u00f3n de l\u00edmites dentro de la tuber\u00eda de decodificaci\u00f3n de audio para llamadas de WhatsApp en WhatsApp para Android versiones anteriores a v2.21.3, WhatsApp Business para Android versiones anteriores a v2.21.3, WhatsApp para iOS versiones anteriores a v2.21.32 y WhatsApp Business para iOS versiones anteriores a v2. 21.32, podr\u00eda haber permitido una escritura fuera de l\u00edmites"}], "lastModified": "2021-04-15T14:35:17.020", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "A2F90DE0-CAA1-417A-9D8A-279C966CF126", "versionEndExcluding": "2.21.3"}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "63C685C5-9E36-456E-8627-F7789BF9A817", "versionEndExcluding": "2.21.3"}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*", "vulnerable": true, "matchCriteriaId": "8C00EB21-B107-4D99-9D1E-09B0FA443F3F", "versionEndExcluding": "2.21.3"}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "735449C3-06DF-4F11-B821-5DDB5F2BC2F1", "versionEndExcluding": "2.21.32"}], "operator": "OR"}]}], "sourceIdentifier": "cve-assign@fb.com"}