Description
Apache ShardingSphere-Proxy prior to 5.3.0 when using MySQL as database backend didn't cleanup the database session completely after client authentication failed, which allowed an attacker to execute normal commands by constructing a special MySQL client. This vulnerability has been fixed in Apache ShardingSphere 5.3.0.
Remediation
References
https://lists.apache.org/thread/l5rz7j4rg10o7ywtgknh2f5hxnv6yw3l
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