// For flags

CVE-2021-4327

SerenityOS TypedArray.cpp initialize_typed_array_from_array_buffer integer overflow

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 vulnerability was found in SerenityOS. It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability.

Eine kritische Schwachstelle wurde in SerenityOS ausgemacht. Hierbei geht es um die Funktion initialize_typed_array_from_array_buffer in der Bibliothek Userland/Libraries/LibJS/Runtime/TypedArray.cpp. Mittels Manipulieren mit unbekannten Daten kann eine integer overflow-Schwachstelle ausgenutzt werden. Der Exploit steht zur öffentlichen Verfügung. Dieses Produkt verzichtet auf eine Versionierung und verwendet stattdessen Rolling Releases. Deshalb sind keine Details zu betroffenen oder zu aktualisierende Versionen vorhanden. Der Patch wird als f6c6047e49f1517778f5565681fb64750b14bf60 bezeichnet. Als bestmögliche Massnahme wird Patching empfohlen.

*Credits: William Bowling
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-03-01 CVE Reserved
  • 2023-03-01 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-10-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Serenityos
Search vendor "Serenityos"
 Serenityos
Search vendor "Serenityos" for product "Serenityos"
 < 2021-01-27
Search vendor "Serenityos" for product "Serenityos" and version " < 2021-01-27"
-
Affected