SpringEL injection in the server agent in Apache Ambari version 2.7.0 to 2.7.6 allows a malicious authenticated user to execute arbitrary code remotely. Users are recommended to upgrade to 2.7.7.
The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.
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https://lists.apache.org/thread/6xf477ttz1oxmg0bx0tpdoz2mlqd7sbc | vendor advisory mailing list |