CVE-2023-28578
📋 TL;DR
CVE-2023-28578 is a memory corruption vulnerability in Qualcomm Core Services that occurs when removing a single event listener. This allows attackers to potentially execute arbitrary code or cause denial of service on affected devices. The vulnerability affects Qualcomm chipsets used in smartphones, IoT devices, and other embedded systems.
💻 Affected Systems
- Qualcomm chipsets with Core Services component
📦 What is this software?
Snapdragon 4 Gen 1 Mobile Firmware by Qualcomm
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Snapdragon 4 Gen 2 Mobile Firmware by Qualcomm
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Snapdragon 480 5g Mobile Firmware by Qualcomm
Snapdragon 480 5g Mobile Firmware by Qualcomm
Snapdragon 680 4g Mobile Firmware by Qualcomm
Snapdragon 685 4g Mobile Firmware by Qualcomm
Snapdragon 690 5g Mobile Firmware by Qualcomm
Snapdragon 695 5g Mobile Firmware by Qualcomm
Snapdragon 720g Mobile Firmware by Qualcomm
Snapdragon 730g Mobile Firmware by Qualcomm
Snapdragon 732g Mobile Firmware by Qualcomm
Snapdragon 750g 5g Mobile Firmware by Qualcomm
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Snapdragon 765 5g Mobile Firmware by Qualcomm
Snapdragon 765g 5g Mobile Firmware by Qualcomm
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Snapdragon 768g 5g Mobile Firmware by Qualcomm
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Snapdragon 778g 5g Mobile Firmware by Qualcomm
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Snapdragon 778g 5g Mobile Firmware by Qualcomm
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Snapdragon 780g 5g Mobile Firmware by Qualcomm
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Snapdragon 782g Mobile Firmware by Qualcomm
Snapdragon 7c Gen 2 Compute Firmware by Qualcomm
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Snapdragon 7c\+ Gen 3 Compute Firmware by Qualcomm
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Snapdragon 8 Gen 1 Mobile Firmware by Qualcomm
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Snapdragon 8 Gen 1 Mobile Firmware by Qualcomm
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Snapdragon 8 Gen 2 Mobile Firmware by Qualcomm
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Snapdragon 8 Gen 2 Mobile Firmware by Qualcomm
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Snapdragon 8 Gen 3 Mobile Firmware by Qualcomm
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Snapdragon 850 Mobile Compute Firmware by Qualcomm
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Snapdragon 865 5g Mobile Firmware by Qualcomm
Snapdragon 865 5g Mobile Firmware by Qualcomm
Snapdragon 870 5g Mobile Firmware by Qualcomm
Snapdragon 888 5g Mobile Firmware by Qualcomm
Snapdragon 888 5g Mobile Firmware by Qualcomm
Snapdragon Auto 4g Modem Firmware by Qualcomm
Snapdragon Auto 5g Modem Rf Firmware by Qualcomm
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Snapdragon Auto 5g Modem Rf Gen 2 Firmware by Qualcomm
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Snapdragon W5\+ Gen 1 Wearable Firmware by Qualcomm
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Snapdragon X12 Lte Modem Firmware by Qualcomm
Snapdragon X35 5g Modem Rf System Firmware by Qualcomm
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Snapdragon X50 5g Modem Rf System Firmware by Qualcomm
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Snapdragon X55 5g Modem Rf System Firmware by Qualcomm
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Snapdragon X65 5g Modem Rf System Firmware by Qualcomm
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Snapdragon X70 Modem Rf System Firmware by Qualcomm
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Snapdragon X75 5g Modem Rf System Firmware by Qualcomm
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Snapdragon Xr2\+ Gen 1 Firmware by Qualcomm
Video Collaboration Vc1 Platform Firmware by Qualcomm
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Video Collaboration Vc3 Platform Firmware by Qualcomm
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Video Collaboration Vc5 Platform Firmware by Qualcomm
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Vision Intelligence 100 Firmware by Qualcomm
Vision Intelligence 200 Firmware by Qualcomm
Vision Intelligence 300 Firmware by Qualcomm
Vision Intelligence 400 Firmware by Qualcomm
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, or persistent backdoor installation.
Likely Case
Application crashes, denial of service, or limited privilege escalation within the affected service context.
If Mitigated
Contained service disruption without system-wide impact if proper sandboxing and privilege separation are implemented.
🎯 Exploit Status
Memory corruption vulnerabilities typically require specific conditions to trigger but can be exploited remotely if the affected service is exposed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: March 2024 Qualcomm security updates
Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/march-2024-bulletin
Restart Required: Yes
Instructions:
1. Check with device manufacturer for available security updates. 2. Apply March 2024 or later Qualcomm security patches. 3. Reboot device after patch installation. 4. Verify patch installation through system settings.
🔧 Temporary Workarounds
Disable unnecessary services
allReduce attack surface by disabling non-essential Qualcomm services if possible
Network segmentation
allIsolate affected devices from untrusted networks
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Monitor for abnormal process behavior or crashes in Core Services
🔍 How to Verify
Check if Vulnerable:
Check device security patch level - if before March 2024, likely vulnerable. Check Qualcomm chipset version against advisory.
Check Version:
On Android: Settings > About phone > Android version > Security patch level
Verify Fix Applied:
Verify security patch level includes March 2024 or later Qualcomm updates in device settings.
📡 Detection & Monitoring
Log Indicators:
- Unexpected crashes in Qualcomm services
- Memory access violations in system logs
- Abnormal process termination
Network Indicators:
- Unusual network traffic to/from Qualcomm services
- Connection attempts to unexpected ports
SIEM Query:
process_name:"qualcomm" AND (event_type:crash OR memory_violation)