CVE-2025-2474
📋 TL;DR
CVE-2025-2474 is a critical out-of-bounds write vulnerability in the PCX image codec in QNX SDP that allows unauthenticated attackers to cause denial-of-service or execute arbitrary code. This affects QNX SDP versions 8.0, 7.1, and 7.0. Any system processing PCX images through the vulnerable codec is at risk.
💻 Affected Systems
- QNX Software Development Platform (SDP)
📦 What is this software?
Qnx Software Development Platform by Blackberry
Qnx Software Development Platform by Blackberry
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with full system compromise, allowing attackers to take complete control of affected systems.
Likely Case
Denial-of-service crashes or limited code execution in the context of the vulnerable process, potentially leading to system instability.
If Mitigated
Contained impact through proper network segmentation and process isolation, limiting damage to affected services only.
🎯 Exploit Status
The vulnerability requires processing a malicious PCX image file. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check BlackBerry advisory for specific patched versions
Vendor Advisory: https://support.blackberry.com/pkb/s/article/140646
Restart Required: Yes
Instructions:
1. Review BlackBerry advisory KB140646. 2. Download and apply the appropriate patch for your QNX SDP version. 3. Restart affected systems and services. 4. Verify the patch is applied correctly.
🔧 Temporary Workarounds
Disable PCX image processing
allBlock or disable processing of PCX image files through the vulnerable codec
# Configuration depends on specific application implementation
Input validation for image files
allImplement strict validation and sanitization of PCX image files before processing
# Implement file validation in application code
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems
- Deploy application allowlisting to prevent unauthorized code execution
🔍 How to Verify
Check if Vulnerable:
Check QNX SDP version and verify if PCX image processing is enabled in applicationsCheck Version:
uname -a or check QNX system informationVerify Fix Applied:
Verify QNX SDP version is updated to patched version and test PCX image processing functionality📡 Detection & Monitoring
Log Indicators:
- Process crashes related to image processing
- Memory access violation errors
- Unexpected process termination
Network Indicators:
- Unusual network traffic to/from image processing services
- Multiple failed image processing attempts
SIEM Query:
source="*qnx*" AND (event_type="crash" OR event_type="memory_violation") AND process_name="*image*"