SpEL Expression injection Affecting org.springframework.data:spring-data-mongodb Open this link in a new tab package, versions [,3.3.5) [3.4.0,3.4.1)


0.0
critical
  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    High

  • Scope

    Changed

  • Confidentiality

    High

  • Integrity

    High

  • Availability

    High

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  • snyk-id

    SNYK-JAVA-ORGSPRINGFRAMEWORKDATA-2932975

  • published

    21 Jun 2022

  • disclosed

    21 Jun 2022

  • credit

    Zewei Zhang

How to fix?

Upgrade org.springframework.data:spring-data-mongodb to version 3.3.5, 3.4.1 or higher.

Overview

Affected versions of this package are vulnerable to SpEL Expression injection when using @Query or @Aggregation-annotated query methods with SpEL expressions. Exploiting this vulnerability is possible if the query parameter placeholders contain unsanitized value binding.

Notes:

Applications are not affected if one of the followings is true:

  1. The annotated repository query or aggregation method does not contain expressions

  2. The annotated repository query or aggregation method does not use the parameter placeholder syntax within the expression

  3. The user-supplied input is sanitized by the application

  4. The repository is configured to use a QueryMethodEvaluationContextProvider that limits SpEL usage

Workaround:

If upgrading to the fixed version is not possible, the following mitigation steps should be taken:

  1. Rewrite query or aggregation declarations to use parameter references (“[0]” instead of “?0“) within the expression.

  2. Sanitize parameters before calling the query method.

  3. Reconfigure the repository factory bean through a BeanPostProcessor with a limited QueryMethodEvaluationContextProvider.