// For flags

CVE-2021-30354

 

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBig2Image::expand() and results in a memory corruption that leads to code execution when parsing a crafted PDF book.

Amazon Kindle e-reader versiones anteriores a 5.13.4, incluyéndola, contiene un desbordamiento de enteros que conlleva a un desbordamiento de búfer en la región heap de la memoria en la función CJBig2Image::expand() y da lugar a una corrupción de memoria que conlleva a una ejecución de código cuando se analiza un libro PDF diseñado

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-07 CVE Reserved
  • 2021-09-01 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-08-07 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-190: Integer Overflow or Wraparound
  • CWE-680: Integer Overflow to Buffer Overflow
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Amazon
Search vendor "Amazon"
Kindle Firmware
Search vendor "Amazon" for product "Kindle Firmware"
<= 5.13.4
Search vendor "Amazon" for product "Kindle Firmware" and version " <= 5.13.4"
-
Affected
in Amazon
Search vendor "Amazon"
Kindle
Search vendor "Amazon" for product "Kindle"
--
Safe