CVE-2018-20655

When receiving calls using WhatsApp for iOS, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for iOS prior to v2.18.90.24 and WhatsApp Business for iOS prior to v2.18.90.24.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/108805	Third Party Advisory VDB Entry
https://www.facebook.com/security/advisories/cve-2018-20655/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:whatsapp:whatsapp::::::iphone_os::*
	cpe:2.3:a:whatsapp:whatsapp:::::business:iphone_os::

History

No history.

Information

Published : 2019-06-14 17:29

Updated : 2023-12-10 12:59

NVD link : CVE-2018-20655

Mitre link : CVE-2018-20655

CVE.ORG link : CVE-2018-20655

JSON object : View

Products Affected

whatsapp

whatsapp

CWE

CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow

{"id": "CVE-2018-20655", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "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": "2019-06-14T17:29:01.050", "references": [{"url": "http://www.securityfocus.com/bid/108805", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve-assign@fb.com"}, {"url": "https://www.facebook.com/security/advisories/cve-2018-20655/", "tags": ["Third Party 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-121"}]}], "descriptions": [{"lang": "en", "value": "When receiving calls using WhatsApp for iOS, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for iOS prior to v2.18.90.24 and WhatsApp Business for iOS prior to v2.18.90.24."}, {"lang": "es", "value": "Cuando se reciben llamadas con WhatsApp para iOS, una falta de comprobaci\u00f3n de tama\u00f1o al analizar un paquete proporcionado por el remitente permite un desbordamiento basado en la pila. Este problema afecta a WhatsApp para iOS anterior a versi\u00f3n v2.18.90.24 y WhatsApp Business para iOS anterior a versi\u00f3n v2.18.90.24."}], "lastModified": "2020-09-18T16:21:36.613", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "33D5A648-8238-4037-8276-00CB8FA95E80", "versionEndExcluding": "2.18.90.24"}, {"criteria": "cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:iphone_os:*:*", "vulnerable": true, "matchCriteriaId": "39C8C465-1ADF-4E6E-A3B5-E85954BE28A5", "versionEndExcluding": "2.18.90.24"}], "operator": "OR"}]}], "sourceIdentifier": "cve-assign@fb.com"}