// For flags

CVE-2017-13821

Apple Security Advisory 2017-10-31-2

Severity Score

5.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "CFString" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.

Se ha descubierto un problema en algunos productos Apple. Las versiones de macOS anteriores a la 10.13.1 se han visto afectadas. El problema afecta al componente "CFString". Permite que los atacantes omitan las restricciones de lectura de memoria planeadas mediante una app manipulada.

macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, Security Update 2017-004 El Capitan are now available and address TLS weaknesses, issues in Apache, and many more vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-08-30 CVE Reserved
  • 2017-11-01 CVE Published
  • 2024-08-05 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (2)
URL Tag Source
http://www.securitytracker.com/id/1039710 Third Party Advisory
URL Date SRC
URL Date SRC
URL Date SRC
https://support.apple.com/HT208221 2017-11-27
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
 Mac Os X
Search vendor "Apple" for product "Mac Os X"
 <= 10.13.0
Search vendor "Apple" for product "Mac Os X" and version " <= 10.13.0"
-
Affected