// For flags

CVE-2019-8641

iMessage - Decoding NSSharedKeyDictionary Can Read Object Out of Bounds

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An out-of-bounds read was addressed with improved input validation.

Una lectura fuera de límites se abordó con una validación de entrada mejorada.

iMessage suffers from an issue where decoding NSSharedKeyDictionary can read an ObjC object at attacker controlled address.

*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
  • 2019-09-24 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