| Package | Affected versions | Patched versions |
|---|---|---|
| org.apache.ignite:ignite-core | < 2.4 | 2.4 |
| ignite | ≤ 2.3.0 |
In Apache Ignite 2.3 or earlier, the serialization mechanism does not have a list of classes allowed for serialization/deserialization, which makes it possible to run arbitrary code when 3-rd party vulnerable classes are present in Ignite classpath. The vulnerability can be exploited if the one sends a specially prepared form of a serialized object to one of the deserialization endpoints of some Ignite components - discovery SPI, Ignite persistence, Memcached endpoint, socket steamer.
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