In Apache RocketMQ 4.2.0 to 4.6.0, when the automatic topic creation in the broker is turned on by default, an evil topic like “../../../../topic2020” is sent from rocketmq-client to the broker, a topic folder will be created in the parent directory in brokers, which leads to a directory traversal vulnerability. Users of the affected versions should apply one of the following: Upgrade to Apache RocketMQ 4.6.1 or later.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
| Link | Tags |
|---|---|
| https://lists.apache.org/thread.html/fdea1c5407da47a17d5522fa149a097cacded1916c1c1534d46edc6d%40%3Cprivate.rocketmq.apache.org%3E | broken link |
| https://seclists.org/oss-sec/2020/q2/112 | third party advisory mailing list |