// For flags

CVE-2018-20655

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Cuando se reciben llamadas con WhatsApp para iOS, una falta de comprobación de tamaño al analizar un paquete proporcionado por el remitente permite un desbordamiento basado en la pila. Este problema afecta a WhatsApp para iOS anterior a versión v2.18.90.24 y WhatsApp Business para iOS anterior a versión v2.18.90.24.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-01-02 CVE Reserved
  • 2019-06-14 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-11-04 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-121: Stack-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
CAPEC
References (2)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Whatsapp
Search vendor "Whatsapp"
Whatsapp
Search vendor "Whatsapp" for product "Whatsapp"
< 2.18.90.24
Search vendor "Whatsapp" for product "Whatsapp" and version " < 2.18.90.24"
iphone_os
Affected
Whatsapp
Search vendor "Whatsapp"
Whatsapp
Search vendor "Whatsapp" for product "Whatsapp"
< 2.18.90.24
Search vendor "Whatsapp" for product "Whatsapp" and version " < 2.18.90.24"
business, iphone_os
Affected