Denial of Service by attacker on the private network

Details

Detail name Value
Changelog Number 12756
Type Bug
Status Resolved
Affected Versions Exasol 6.2.0, Exasol 7.0.0, Exasol 7.1.0
Fix Versions Exasol 8.0.0, Exasol 7.1.5, Exasol 7.0.15
Resolution Date 2022-01-26

Issue

We discovered a moderate severity denial of service attack that can be exploited by an attacker who has already gained access to the private network interface of an Exasol cluster.

Specifically crafted network packets sent by such an attacker can cause the database to crash, impacting availability of the system.

Remediation

Upgrade to version 7.0.15 or 7.1.5 or 8.0