🔒 Security Fix: Upgrade SnakeYaml to Prevent Remote Code Execution (CVE-2022-1471)

[ana-ai-sde]

Security Vulnerability Fix

Issue: SnakeYaml Constructor Deserialization Remote Code Execution
Severity: High
CVE: CVE-2022-1471
Fixed by: Ana Security Bot

🔍 Vulnerability Details

SnakeYaml's Constructor() class does not restrict types that can be instantiated during deserialization, allowing attackers to execute arbitrary code through specially crafted YAML content. This vulnerability could lead to remote code execution in applications parsing untrusted YAML content.

🛠️ Changes Made

• ✅ Upgraded SnakeYaml dependency from version 1.23 to 2.0
• ✅ Updated LICENSE file to reflect new dependency version
• ✅ Modified security settings in pom.xml

📁 Files Modified

• pom.xml - Updated SnakeYaml dependency version
• LICENSE - Updated documentation

🔒 Security Impact

• Before: Attackers could execute arbitrary code through YAML deserialization
• After: Safe deserialization practices enforced through updated version
• Risk Reduction: Eliminates remote code execution attack vector

🧪 Testing Recommendations

• Verify all YAML parsing uses SafeConstructor
• Test YAML deserialization with various payloads
• Confirm application functionality with restricted type loading
• Run security scans to validate fix
• Test all components that depend on YAML parsing

📝 Implementation Notes

When using SnakeYaml, always:

1. Use SafeConstructor for parsing untrusted content
2. Explicitly whitelist allowed classes for deserialization
3. Validate YAML content before processing

📚 References

• CVE-2022-1471 Details
• SnakeYaml Security Advisory
• Snyk Security Analysis
• OWASP Deserialization Cheat Sheet

⚠️ Breaking Changes

Applications using SnakeYaml's default Constructor should be updated to use SafeConstructor. Review any custom deserialization logic for compatibility with the new version.

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This PR was automatically generated by Ana Security Bot