CVE-2024-56966
📋 TL;DR
This vulnerability in Qidian Reader iOS app allows attackers to access sensitive user information by tricking users into clicking a specially crafted link. It affects all users of the vulnerable iOS app version. The issue is a URL redirection/open redirect vulnerability that exposes user data.
💻 Affected Systems
- Qidian Reader iOS
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal sensitive user information including personal data, reading history, account credentials, or other app-specific data stored locally or accessible through the app.
Likely Case
Attackers would gain access to user-specific information within the app, potentially including reading preferences, account details, or other app-collected data.
If Mitigated
With proper URL validation and input sanitization, the crafted link would be rejected or handled safely without exposing user information.
🎯 Exploit Status
Exploitation requires user interaction (clicking a link) but is otherwise straightforward based on the CWE-601 classification.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
Check for app updates in the iOS App Store. If no update is available, contact the vendor Shanghai Xuan Ting Entertainment Information & Technology Co., Ltd for patch information.
🔧 Temporary Workarounds
Disable app link handling
iosPrevent Qidian Reader from automatically opening links by adjusting iOS settings
Settings > Qidian Reader > Disable 'Open Links' or similar permissions
Use app in restricted mode
allAvoid clicking external links while using the app
🧯 If You Can't Patch
- Uninstall the vulnerable app version and use alternative reading applications
- Implement network filtering to block suspicious links targeting the app
🔍 How to Verify
Check if Vulnerable:
Check app version in iOS Settings > General > iPhone Storage > Qidian Reader, or within the app's about/settings sectionCheck Version:
Not applicable for iOS apps; check via iOS Settings or app interfaceVerify Fix Applied:
Verify app version is newer than 5.9.384 after update📡 Detection & Monitoring
Log Indicators:
- Unusual URL patterns in app logs
- Unexpected data access events
Network Indicators:
- Suspicious links being sent to users
- Unusual outbound connections from the app
SIEM Query:
app:"Qidian Reader" AND (event:"url_redirect" OR event:"external_link")