9.8
CRITICAL CVSS 3.1
CVE-2021-4327
SerenityOS Integer Overflow Vulnerability in initialize_typed_array_from_array_buffer
Description

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.

INFO

Published Date :

March 1, 2023, 11:15 a.m.

Last Modified :

Nov. 21, 2024, 6:37 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-4327 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Serenityos serenityos
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2021-4327 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-4327.

URL Resource
https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html Exploit Third Party Advisory
https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60 Patch
https://vuldb.com/?ctiid.222074 Permissions Required Third Party Advisory
https://vuldb.com/?id.222074 Permissions Required Third Party Advisory
https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html Exploit Third Party Advisory
https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60 Patch
https://vuldb.com/?ctiid.222074 Permissions Required Third Party Advisory
https://vuldb.com/?id.222074 Permissions Required Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-4327 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-4327 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Coroutine Frame-Oriented Programming exploitation technique

Python C++ Dockerfile Makefile Shell C CMake JavaScript HTML CSS

Updated: 2 weeks, 3 days ago
6 stars 0 fork 0 watcher
Born at : Sept. 4, 2024, 9:30 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-4327 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4327 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html
    Added Reference https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60
    Added Reference https://vuldb.com/?ctiid.222074
    Added Reference https://vuldb.com/?id.222074
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 29, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 VulDB AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
  • Modified Analysis by [email protected]

    Oct. 30, 2023

    Action Type Old Value New Value
    Added CWE NIST CWE-190
  • CVE Modified by [email protected]

    Oct. 20, 2023

    Action Type Old Value New Value
    Changed Description 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 name of the patch is f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability. 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.
  • Initial Analysis by [email protected]

    Mar. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html No Types Assigned https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html Exploit, Third Party Advisory
    Changed Reference Type https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60 No Types Assigned https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60 Patch
    Changed Reference Type https://vuldb.com/?ctiid.222074 No Types Assigned https://vuldb.com/?ctiid.222074 Permissions Required, Third Party Advisory
    Changed Reference Type https://vuldb.com/?id.222074 No Types Assigned https://vuldb.com/?id.222074 Permissions Required, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:* versions up to (excluding) 2021-01-27
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} -0.09%

score

0.17524

percentile