CVE-2025-48622
📋 TL;DR
This CVE describes an out-of-bounds read vulnerability in the ProcessArea function of dng_misc_opcodes.cpp within Android's DNG SDK. It allows local information disclosure without requiring user interaction or additional privileges. Android devices using affected versions of the DNG SDK are vulnerable.
💻 Affected Systems
- Android devices using DNG SDK
📦 What is this software?
Android by Google
Android by Google
Android by Google
Android by Google
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive data from adjacent memory, potentially exposing cryptographic keys, authentication tokens, or other confidential information stored in process memory.
Likely Case
Limited information disclosure of adjacent memory contents, possibly exposing non-critical data or causing application instability.
If Mitigated
With proper memory protection mechanisms (ASLR, DEP), impact is limited to reading random memory contents rather than sensitive data.
🎯 Exploit Status
Exploitation requires local access and ability to trigger DNG file processing. No user interaction needed once malicious DNG file is processed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: December 2025 Android Security Patch or later
Vendor Advisory: https://source.android.com/security/bulletin/2025-12-01
Restart Required: Yes
Instructions:
1. Apply December 2025 Android Security Patch. 2. Update affected devices through standard Android update channels. 3. Reboot device after update installation.
🔧 Temporary Workarounds
Disable DNG file processing
androidPrevent processing of DNG image files to avoid triggering the vulnerable code path
Restrict DNG file access
androidUse app sandboxing or permissions to limit which apps can access DNG files
🧯 If You Can't Patch
- Implement strict app vetting and only allow trusted apps to process DNG files
- Use Android's Work Profile or similar containerization to isolate potentially malicious apps
🔍 How to Verify
Check if Vulnerable:
Check Android security patch level in Settings > About phone > Android version. If patch level is before December 2025, device is vulnerable.Check Version:
adb shell getprop ro.build.version.security_patchVerify Fix Applied:
Verify Android security patch level shows December 2025 or later after update.📡 Detection & Monitoring
Log Indicators:
- Crash logs from DNG processing components
- Unexpected memory access errors in system logs
Network Indicators:
- None - this is a local vulnerability
SIEM Query:
Look for process crashes involving DNG SDK components or suspicious DNG file processing attempts🔗 References
- https://android.googlesource.com/platform/cts/+/1bcf948f5e555ad7b9b54549698c3e569d7a0af5
- https://android.googlesource.com/platform/external/dng_sdk/+/de700ad461e35af50b28b861943a0b0753b10929
- https://android.googlesource.com/platform/external/skia/+/40c3f0a50fb9b47f543be0949f9004e77510f494
- https://source.android.com/security/bulletin/2025-12-01
