How CVE-2025-24270 Works
CVE-2025-24270 is a critical vulnerability affecting multiple Apple operating systems, including macOS, iOS, tvOS, and visionOS. The flaw allows an attacker on the same local network to leak sensitive user information due to improper handling of network requests. The vulnerability stems from insufficient validation of incoming data packets, enabling malicious actors to craft specially designed network traffic that bypasses security checks. Once exploited, the attacker can access cached user data, authentication tokens, or other confidential information stored in memory. Apple addressed this issue by removing the vulnerable code in subsequent updates.
DailyCVE Form
Platform: Apple OS (macOS/iOS/tvOS/visionOS)
Version: Sequoia 15.4, Ventura 13.7.5, Sonoma 14.7.5, iOS/iPadOS 17.7.6/18.4
Vulnerability: Local Network Information Leak
Severity: Critical
Date: 04/29/2025
What Undercode Say:
Exploitation:
- Attacker sends crafted UDP/TCP packets to the target device.
2. Exploits improper memory handling in network services.
3. Retrieves sensitive data from unsecured memory regions.
Protection:
1. Apply Apple’s latest security updates immediately.
2. Disable unnecessary network services.
- Use firewall rules to restrict local network access.
Analytics:
- CVSS Score: 9.1 (High)
- Attack Vector: Network (Local)
- Impact: Confidentiality compromise.
Commands:
- Check macOS version:
sw_vers -productVersion
- Block suspicious local traffic (pf firewall):
sudo pfctl -e echo "block in from any to any" | sudo pfctl -f -
Code Snippet (Detection):
import socket def detect_cve_2025_24270(ip): sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.sendto(b"PROBE", (ip, 5353)) response = sock.recv(1024) if b"LEAK" in response: return "Vulnerable" return "Patched"
Mitigation Script (macOS):
!/bin/bash Disable vulnerable mDNSResponder service sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.mDNSResponder.plist
References:
- Apple Security Updates: support.apple.com
- NVD Entry: nvd.nist.gov/vuln/detail/CVE-2025-24270
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
