| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.spark:spark-core_2.10 | < 2.2.0 | 2.2.0 |
| org.apache.spark:spark-core_2.11 | < 2.2.0 | 2.2.0 |
| spark | ≤ 2.1.1 |
In Apache Spark before 2.2.0, it is possible for an attacker to take advantage of a user's trust in the server to trick them into visiting a link that points to a shared Spark cluster and submits data including MHTML to the Spark master, or history server. This data, which could contain a script, would then be reflected back to the user and could be evaluated and executed by MS Windows-based clients. It is not an attack on Spark itself, but on the user, who may then execute the script inadvertently when viewing elements of the Spark web UIs.
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