// For flags

CVE-2019-8646

iMessage - NSKeyedUnarchiver Deserialization Allows file Backed NSData Objects

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to leak memory.

Una lectura fuera de límites fue abordada con una comprobación de entrada mejorada. Este problema es corregido en iOS versión 12.4, macOS Mojave versión 10.14.6, tvOS versión 12.4, watchOS versión 5.3. Un atacante remoto puede ser capaz de filtrar la memoria.

iMessage suffers from a vulnerability where NSKeyedUnarchiver deserialization allows file backed NSData objects.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* 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
  • 2024-11-08 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
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"
 Mac Os X
Search vendor "Apple" for product "Mac Os X"
 < 10.14.6
Search vendor "Apple" for product "Mac Os X" and version " < 10.14.6"
-
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