CVE-2022-33713

7.5 HIGH

📋 TL;DR

This CVE describes an implicit intent hijacking vulnerability in Samsung Cloud that allows attackers to intercept sensitive information. The vulnerability affects Samsung devices running Samsung Cloud versions prior to 5.2.0. Attackers can exploit this to access protected data through improper intent handling.

💻 Affected Systems

Products:
  • Samsung Cloud
Versions: Versions prior to 5.2.0
Operating Systems: Android (Samsung devices)
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Samsung devices with Samsung Cloud installed. Requires malicious app installation on the same device.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could access sensitive user data stored in Samsung Cloud, including personal information, photos, documents, and authentication tokens.

🟠

Likely Case

Local malicious applications could intercept data being passed between Samsung Cloud components, potentially exposing user information.

🟢

If Mitigated

With proper application sandboxing and intent validation, the attack surface is significantly reduced to only authorized applications.

🌐 Internet-Facing: LOW - This is primarily a local application vulnerability requiring malicious apps on the device.
🏢 Internal Only: MEDIUM - Malicious apps installed on corporate devices could exploit this to access sensitive corporate data in Samsung Cloud.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires a malicious application to be installed on the target device and knowledge of Samsung Cloud's intent structure.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.2.0 and later

Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2022&month=07

Restart Required: No

Instructions:

1. Open Samsung Cloud app. 2. Check for updates in Galaxy Store or Google Play Store. 3. Update to version 5.2.0 or later. 4. Alternatively, update device firmware through Settings > Software update.

🔧 Temporary Workarounds

Disable Samsung Cloud

android

Temporarily disable Samsung Cloud to prevent exploitation until patched

Restrict app installations

android

Prevent installation of unknown applications through device policies

🧯 If You Can't Patch

  • Implement mobile device management (MDM) to control app installations
  • Disable Samsung Cloud sync for sensitive data categories

🔍 How to Verify

Check if Vulnerable:

Check Samsung Cloud version in device settings > Apps > Samsung Cloud > App info

Check Version:

No command line option. Check via device settings: Settings > Apps > Samsung Cloud > App info

Verify Fix Applied:

Verify Samsung Cloud version is 5.2.0 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual intent calls to Samsung Cloud components
  • Multiple failed intent resolutions

Network Indicators:

  • Unusual Samsung Cloud sync patterns from unknown apps

SIEM Query:

Not applicable - primarily local device vulnerability

🔗 References

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