// For flags

CVE-2019-8647

iMessage - NSArray Deserialization can Invoke Subclass that does not Retain References

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause arbitrary code execution.

Un problema de uso de la memoria previamente liberada fue abordado con una gestión de memoria mejorada. Este problema es corregido en iOS versión 12.4, tvOS versión 12.4, watchOS 5.3. Un atacante remoto puede causar una ejecución de código arbitrario.

iMessage suffers from a vulnerability where NSArray deserialization can invoke a subclass that does not retain references.

*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
  • 2019-02-18 CVE Reserved
  • 2019-07-22 CVE Published
  • 2019-07-30 First Exploit
  • 2024-08-04 CVE Updated
  • 2024-12-29 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-416: Use After Free
CAPEC
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"
 < 12.4
Search vendor "Apple" for product "Iphone Os" and version " < 12.4"
-
Affected
Apple
Search vendor "Apple"
 Tvos
Search vendor "Apple" for product "Tvos"
 < 12.4
Search vendor "Apple" for product "Tvos" and version " < 12.4"
-
Affected
Apple
Search vendor "Apple"
 Watchos
Search vendor "Apple" for product "Watchos"
 < 5.3
Search vendor "Apple" for product "Watchos" and version " < 5.3"
-
Affected