CVE-2022-23748KEV · OVERDUECWE-114

Dante Discovery Process Control Vulnerability

High · published November 17, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 94.9th percentile for exploit probability.

603
days past CISA
deadline
CVSS v3.1
7.8
EPSS
8%
Percentile
94.9
In the wild
Confirmed
What it is

⚡ A sneaky DLL sideloading vulnerability in mDNSResponder.exe is letting attackers pull off a clever trick with your system! 🔥 Imagine a restaurant where the chef accepts ingredients from a mysterious delivery instead of checking them first. This mishap allows anyone to serve up a risky dish without a second thought! In this scenario, an attacker can exploit the vulnerability to load malicious DLLs disguised as legitimate files. This means they could potentially take control of your system, leading to data leaks, unauthorized access, or worse—complete takeover of your device!

Put simply

Imagine a restaurant where the chef accepts ingredients from a mysterious delivery instead of checking them first. This mishap allows anyone to serve up a risky dish without a second thought! The vulnerability arises because mDNSResponder.exe improperly specifies how to load DLLs, allowing attackers to place malicious files in directories that get prioritized during the load process.

What to do

In this scenario, an attacker can exploit the vulnerability to load malicious DLLs disguised as legitimate files. This means they could potentially take control of your system, leading to data leaks, unauthorized access, or worse—complete takeover of your device! To protect yourself, ensure you update mDNSResponder to the latest version that addresses this issue. Additionally, consider implementing stricter access controls on directory paths to minimize the risk of unauthorized file execution. You've got this! Follow these steps to fortify your defenses and keep those sneaky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08329 · 94.9th percentile
Weakness
CWE-114 · Process Control
Published
2022-11-17T00:00Z
KEV added
2025-02-06 · due 2025-02-27
EPSS history
Timeline
  • 06 FEB 00:00Z
    Added to CISA KEV — remediate by Feb 27
    kev
  • 17 NOV 00:00Z
    mDNSResponder.exe is vulnerable to DLL Sideloading attack
    cvelistv5