CVE-2022-22288

7.5 HIGH

📋 TL;DR

This vulnerability in Samsung Galaxy Store allows remote attackers to install unauthorized apps by bypassing authorization checks. It affects Samsung Galaxy devices using Galaxy Store versions prior to 4.5.36.5. The vulnerability enables installation of apps from the allowlist without proper user consent.

💻 Affected Systems

Products:
  • Samsung Galaxy Store
Versions: Versions prior to 4.5.36.5
Operating Systems: Android (Samsung devices)
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Samsung devices with Galaxy Store installed. The vulnerability is in the Galaxy Store app itself, not the underlying Android OS.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could remotely install malicious apps that steal sensitive data, enable surveillance, or gain persistent access to the device.

🟠

Likely Case

Malicious actors could install unwanted apps that display ads, collect personal information, or degrade device performance without user knowledge.

🟢

If Mitigated

With proper patching, the vulnerability is eliminated, preventing unauthorized app installations through this vector.

🌐 Internet-Facing: HIGH - The vulnerability allows remote exploitation, meaning attackers don't need physical access to the device.
🏢 Internal Only: LOW - This is primarily an external threat vector affecting individual devices rather than internal network systems.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability description suggests remote exploitation is possible without user interaction, making it relatively easy to exploit if details become public.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.5.36.5 and later

Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2022&month=1

Restart Required: No

Instructions:

1. Open Galaxy Store app. 2. Go to Settings. 3. Check for updates. 4. Install update to version 4.5.36.5 or later. 5. Alternatively, update through Samsung's app update mechanism.

🔧 Temporary Workarounds

Disable Galaxy Store Auto-updates

android

Prevent automatic app installations that could exploit this vulnerability

Open Galaxy Store > Settings > Auto-update apps > Select 'Don't auto-update apps'

Disable Unknown Sources

android

Add additional layer of protection against unauthorized app installations

Settings > Biometrics and security > Install unknown apps > Disable for Galaxy Store

🧯 If You Can't Patch

  • Monitor device for unexpected app installations and remove suspicious apps immediately
  • Consider using alternative app stores temporarily until patch can be applied

🔍 How to Verify

Check if Vulnerable:

Check Galaxy Store version: Open Galaxy Store > Settings > About Galaxy Store > Check version number

Check Version:

No command line option; must check through app interface

Verify Fix Applied:

Confirm Galaxy Store version is 4.5.36.5 or higher using the same method

📡 Detection & Monitoring

Log Indicators:

  • Unexpected app installations from Galaxy Store
  • App installation events without user consent logs

Network Indicators:

  • Unusual network traffic from Galaxy Store to unknown servers
  • App download traffic without corresponding user actions

SIEM Query:

Not applicable for typical SIEM environments as this affects mobile devices

🔗 References

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