Open-Xchange OX App Suite Uncontrolled Resource Consumption Vulnerability Leading to Denial-of-Service

A vulnerability allowing uncontrolled resource consumption has been identified in Open-Xchange OX App Suite uimiddleware version 2.1.7. This vulnerability can be exploited by sending malicious or unintentional API requests that add a significant amount of data to caches. As a result, essential information may be evicted from the cache, causing unavailability in the web frontend component.

Impact

Exploitation of this vulnerability can lead to a denial-of-service condition, causing unavailability in the web frontend component by evicting essential cached information.

Remediation

Users are advised to update to OX App Suite uimiddleware version 2.1.8.