4.2
MEDIUM CVSS 3.1
CVE-2023-42757
Microsoft Process Explorer Denial of Service
Description

Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.

INFO

Published Date :

May 7, 2024, 6:15 p.m.

Last Modified :

March 26, 2025, 9:15 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2023-42757 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.

No affected product recoded yet

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 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Public PoC/Exploit Available at Github

CVE-2023-42757 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-42757 is associated with the following CWEs:

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).

A set of rootkit-like abilities for unprivileged users, and vulnerabilities based on the DOT-to-NT path conversion known issue

Python C

Updated: 2 months, 3 weeks ago
100 stars 17 fork 17 watcher
Born at : April 8, 2024, 8:46 a.m. This repo has been linked 3 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-2023-42757 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-42757 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 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 26, 2025

    Action Type Old Value New Value
    Added CWE CWE-120
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/SafeBreach-Labs/MagicDot
    Added Reference https://www.blackhat.com/asia-24/briefings/schedule/#magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces-36561
    Added Reference https://www.safebreach.com/blog/magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces/
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    May. 14, 2024

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

    May. 07, 2024

    Action Type Old Value New Value
    Added Description Process Explorer before 17.04 allows attackers to make it functionally unavailable (a denial of service for analysis) by renaming an executable file to a new extensionless 255-character name and launching it with NtCreateUserProcess. This can occur through an issue in wcscat_s error handling.
    Added Reference MITRE https://www.safebreach.com/blog/magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces/ [No types assigned]
    Added Reference MITRE https://github.com/SafeBreach-Labs/MagicDot [No types assigned]
    Added Reference MITRE https://www.blackhat.com/asia-24/briefings/schedule/#magicdot-a-hackers-magic-show-of-disappearing-dots-and-spaces-36561 [No types assigned]
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: 4.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact