En resumen
- CVE-2022-35942 es una vulnerabilidad CRÍTICO (CVSS 10.0) que afecta a loopback-connector-postgresql (linuxfoundation), loopback-connector-postgresql.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.66%, mayor que el 51.6% de las vulnerabilidades.
- Solución: actualizar a 5.5.1 o posterior.
Description
Improper input validation on the contains LoopBack filter may allow for arbitrary SQL injection.
Impact
When the extended filter property contains is permitted to be interpreted by the Postgres connector, it is possible to inject arbitrary SQL which may affect the confidentiality and integrity of data stored on the connected database.
This affects users who does any of the following:
- Connect to the database via the DataSource with
allowExtendedProperties: true setting OR
- Uses the connector's CRUD methods directly OR
- Uses the connector's other methods to interpret the LoopBack filter.
Patches
Patch release [email protected] has been published of which resolves this issue.
Workarounds
Users who are unable to upgrade should do the following if applicable:
- Remove
allowExtendedProperties: true DataSource setting
- Add
allowExtendedProperties: false DataSource setting
- When passing directly to the connector functions, manually sanitize the user input for the
contains LoopBack filter beforehand.
NVD description
Improper input validation on the `contains` LoopBack filter may allow for arbitrary SQL injection. When the extended filter property `contains` is permitted to be interpreted by the Postgres connector, it is possible to inject arbitrary SQL which may affect the confidentiality and integrity of data stored on the connected database. A patch was released in version 5.5.1. This affects users who does any of the following: - Connect to the database via the DataSource with `allowExtendedProperties: true` setting OR - Uses the connector's CRUD methods directly OR - Uses the connector's other methods to interpret the LoopBack filter. Users who are unable to upgrade should do the following if applicable: - Remove `allowExtendedProperties: true` DataSource setting - Add `allowExtendedProperties: false` DataSource setting - When passing directly to the connector functions, manually sanitize the user input for the `contains` LoopBack filter beforehand.
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