CVE-2025-68469
📋 TL;DR
ImageMagick versions before 7.1.1-14 contain a heap-based buffer overflow vulnerability (CWE-122) when processing specially crafted TIFF files. This can cause the application to crash, potentially leading to denial of service. Any system using vulnerable ImageMagick versions to process untrusted TIFF images is affected.
💻 Affected Systems
- ImageMagick
📦 What is this software?
Imagemagick by Imagemagick
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution if the heap overflow can be controlled to execute arbitrary code, though this is unlikely given the CVSS score.
Likely Case
Denial of service through application crash when processing malicious TIFF files.
If Mitigated
Minimal impact if systems only process trusted TIFF files or have proper input validation.
🎯 Exploit Status
Exploitation requires crafting a malicious TIFF file and getting it processed by vulnerable ImageMagick. No public exploit code is known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.1.1-14
Vendor Advisory: https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-fff3-4rp7-px97
Restart Required: No
Instructions:
1. Update ImageMagick to version 7.1.1-14 or later. 2. For Linux: Use package manager (apt-get update && apt-get install imagemagick). 3. For source: Download from ImageMagick.org and compile. 4. Verify update with 'convert --version'.
🔧 Temporary Workarounds
Disable TIFF processing
linuxRemove or disable TIFF format support in ImageMagick policy.xml
Edit /etc/ImageMagick-7/policy.xml and add: <policy domain="delegate" rights="none" pattern="TIFF" />
Input validation
allReject TIFF files from untrusted sources before ImageMagick processing
🧯 If You Can't Patch
- Implement strict file type validation to reject TIFF files from untrusted sources.
- Isolate ImageMagick processing to dedicated containers or sandboxes with limited privileges.
🔍 How to Verify
Check if Vulnerable:
Run 'convert --version' and check if version is below 7.1.1-14.Check Version:
convert --version | head -1Verify Fix Applied:
Confirm version is 7.1.1-14 or higher with 'convert --version'.📡 Detection & Monitoring
Log Indicators:
- ImageMagick crash logs
- Segmentation fault errors in system logs when processing TIFF files
Network Indicators:
- Unusual TIFF file uploads to web applications
SIEM Query:
source="*imagemagick*" AND ("segmentation fault" OR "crash" OR "SIGSEGV")