CVE-2023-49000

9.8 CRITICAL

📋 TL;DR

This vulnerability in ArtistScope ArtisBrowser allows attackers to bypass access restrictions by exploiting the com.artis.browser.IntentReceiverActivity component. It affects ArtisBrowser v34.1.5 and earlier versions. The vendor disputes the vulnerability, claiming ArtisBrowser 34 doesn't support CSS3.

💻 Affected Systems

Products:
  • ArtistScope ArtisBrowser
Versions: v34.1.5 and earlier
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Vendor disputes vulnerability exists in ArtisBrowser 34 due to lack of CSS3 support.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing unauthorized access to protected resources, potential data exfiltration, and privilege escalation.

🟠

Likely Case

Unauthorized access to restricted application features or data through component interaction bypass.

🟢

If Mitigated

Limited impact with proper component isolation and input validation in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploitation involves interacting with exposed IntentReceiverActivity component.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown

Vendor Advisory: None available

Restart Required: No

Instructions:

No official patch available. Consider alternative browsers until vendor provides fix.

🔧 Temporary Workarounds

Disable ArtisBrowser

android

Remove or disable ArtisBrowser application from affected devices.

adb uninstall com.artis.browser

Restrict component access

android

Use Android permissions or security policies to restrict access to IntentReceiverActivity.

🧯 If You Can't Patch

  • Isolate affected devices from sensitive networks
  • Implement network segmentation and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check ArtisBrowser version in app settings or via 'adb shell dumpsys package com.artis.browser'

Check Version:

adb shell dumpsys package com.artis.browser | grep versionName

Verify Fix Applied:

Verify ArtisBrowser is uninstalled or updated to version above 34.1.5

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to com.artis.browser.IntentReceiverActivity
  • Unexpected intent broadcasts to ArtisBrowser

Network Indicators:

  • Unusual network traffic from ArtisBrowser app

SIEM Query:

source="android_logs" AND "com.artis.browser.IntentReceiverActivity" AND ("unauthorized" OR "access denied")

🔗 References

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