CVE-2019-19317
📋 TL;DR
This SQLite vulnerability allows attackers to cause denial of service or potentially execute arbitrary code by exploiting a bitmask omission in generated column handling. It affects applications using SQLite 3.30.1 and earlier versions. The high CVSS score indicates critical impact potential.
💻 Affected Systems
- SQLite
- Applications embedding SQLite
- Siemens products
- Oracle products
- NetApp products
📦 What is this software?
Ontap Select Deploy Administration Utility by Netapp
View all CVEs affecting Ontap Select Deploy Administration Utility →
Sinec Infrastructure Network Services by Siemens
View all CVEs affecting Sinec Infrastructure Network Services →
Sqlite by Sqlite
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise
Likely Case
Denial of service through application crashes or data corruption
If Mitigated
Limited impact if proper input validation and sandboxing are implemented
🎯 Exploit Status
Exploitation requires crafted SQL queries but no authentication
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: SQLite 3.31.0 and later
Vendor Advisory: https://www.sqlite.org/releaselog/3_31_0.html
Restart Required: Yes
Instructions:
1. Download SQLite 3.31.0 or later from sqlite.org 2. Replace existing SQLite library 3. Recompile applications if statically linked 4. Restart affected services
🔧 Temporary Workarounds
Disable generated columns
allAvoid using generated columns in SQLite schemas
ALTER TABLE table_name DROP COLUMN generated_column_name
Input validation
allImplement strict input validation on SQL queries
🧯 If You Can't Patch
- Implement network segmentation to isolate SQLite applications
- Deploy application-level firewalls to filter malicious SQL queries
🔍 How to Verify
Check if Vulnerable:
Check SQLite version with 'sqlite3 --version' or query 'SELECT sqlite_version()'Check Version:
sqlite3 --versionVerify Fix Applied:
Verify version is 3.31.0 or higher and test generated column functionality📡 Detection & Monitoring
Log Indicators:
- SQL query errors
- Application crashes
- Unusual generated column usage
Network Indicators:
- Malformed SQL queries to database endpoints
SIEM Query:
source="application.log" AND ("sqlite_error" OR "generated_column")🔗 References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://github.com/sqlite/sqlite/commit/522ebfa7cee96fb325a22ea3a2464a63485886a8
- https://github.com/sqlite/sqlite/commit/73bacb7f93eab9f4bd5a65cbc4ae242acf63c9e3
- https://security.netapp.com/advisory/ntap-20191223-0001/
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://github.com/sqlite/sqlite/commit/522ebfa7cee96fb325a22ea3a2464a63485886a8
- https://github.com/sqlite/sqlite/commit/73bacb7f93eab9f4bd5a65cbc4ae242acf63c9e3
- https://security.netapp.com/advisory/ntap-20191223-0001/
- https://www.oracle.com/security-alerts/cpuapr2020.html
