// For flags

CVE-2019-8664

iPhone iMessage Malformed Message Bricking

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, watchOS 5.2.1. Processing a maliciously crafted message may lead to a denial of service.

Se abordó un problema de comprobación de entrada con una comprobación de entrada mejorada. Este problema se corrigió en iOS versión 12.3, watchOS versión 5.2.1. El procesamiento de un mensaje diseñado maliciosamente puede conllevar una denegación de servicio

An issue exists where a malformed iMessage can brick an iPhone. A method in IMCore can throw an NSException due to a malformed message containing a property with key IMExtensionPayloadLocalizedDescriptionTextKey with a value that is not a NSString.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-02-18 CVE Reserved
  • 2019-07-04 CVE Published
  • 2023-07-13 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
References (2)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
< 12.3
Search vendor "Apple" for product "Iphone Os" and version " < 12.3"
-
Affected
Apple
Search vendor "Apple"
Watchos
Search vendor "Apple" for product "Watchos"
< 5.2.1
Search vendor "Apple" for product "Watchos" and version " < 5.2.1"
-
Affected