SQLite 3.30.1 mishandles pExpr->y.pTab, as demonstrated by the TK_COLUMN case in sqlite3ExprCodeTarget in expr.c.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sqlite | Sqlite | 3.30.1 (including) | 3.30.1 (including) |
| Sqlite3 | Ubuntu | devel | * |
| Sqlite3 | Ubuntu | disco | * |
| Sqlite3 | Ubuntu | eoan | * |
| Sqlite3 | Ubuntu | trusty | * |
Potential Mitigations
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://github.com/sqlite/sqlite/commit/57f7ece78410a8aae86aa4625fb7556897db384c
- https://usn.ubuntu.com/4205-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
- https://github.com/sqlite/sqlite/commit/57f7ece78410a8aae86aa4625fb7556897db384c
- https://usn.ubuntu.com/4205-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html