CVE-2022-37022 in Geode
Summary
by MITRE • 08/31/2022
Apache Geode versions up to 1.12.2 and 1.13.2 are vulnerable to a deserialization of untrusted data flaw when using JMX over RMI on Java 11. Any user wishing to protect against deserialization attacks involving JMX or RMI should upgrade to Apache Geode 1.15. Use of 1.15 on Java 11 will automatically protect JMX over RMI against deserialization attacks. This should have no impact on performance since it only affects JMX/RMI which Gfsh uses to communicate with the JMX Manager which is hosted on a Locator.
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Analysis
by VulDB Data Team • 10/10/2022
Apache Geode vulnerability CVE-2022-37022 represents a critical deserialization flaw affecting versions up to 1.12.2 and 1.13.2 when utilizing JMX over RMI on Java 11 environments. This vulnerability falls under the CWE-502 category of deserialization of untrusted data, which is a well-known attack vector that has been extensively documented in cybersecurity literature. The flaw specifically impacts the Remote Method Invocation mechanism used for JMX communication, creating an avenue for remote code execution when malicious serialized objects are processed by the affected system. The vulnerability is particularly concerning because JMX is a standard management interface that provides extensive operational capabilities for monitoring and managing distributed systems, making it a prime target for attackers seeking persistent access to enterprise environments.
The technical implementation of this vulnerability stems from the improper handling of serialized objects within the RMI communication channel that Apache Geode employs for JMX operations. When JMX is configured to operate over RMI on Java 11, the system processes serialized data from remote clients without adequate validation or sanitization mechanisms. This allows an attacker to craft malicious serialized objects that, when deserialized by the target system, can execute arbitrary code with the privileges of the running Apache Geode process. The attack surface is particularly broad since JMX is commonly enabled in production environments for monitoring purposes, and the vulnerability affects the core communication mechanisms that gfsh and other management tools rely upon for system administration.
The operational impact of CVE-2022-37022 extends beyond simple remote code execution to encompass complete system compromise and potential data exfiltration. Attackers exploiting this vulnerability can gain unauthorized access to distributed data stores, manipulate configuration settings, and potentially escalate privileges within the network infrastructure. The vulnerability affects not only individual nodes but can also compromise entire distributed systems when multiple nodes are interconnected through Apache Geode's clustering capabilities. Organizations using JMX over RMI for system monitoring and management face significant risk, as this vulnerability can be exploited without requiring authentication or specialized knowledge of the internal system architecture, making it particularly dangerous in environments where management interfaces are exposed to untrusted networks.
The recommended mitigation strategy involves upgrading to Apache Geode version 1.15, which includes automatic protection mechanisms for JMX over RMI deserialization attacks. This upgrade path addresses the core vulnerability by implementing proper validation and sanitization of serialized data before deserialization occurs, aligning with security best practices outlined in the ATT&CK framework under the T1059.007 technique for command and scripting interpreter. The upgrade process is designed to be non-disruptive to performance since it only affects the JMX/RMI communication channel used by gfsh to communicate with the JMX Manager hosted on locators, ensuring that normal application operations remain unaffected while providing comprehensive protection against deserialization attacks. Organizations should also consider implementing network segmentation and firewall rules to limit access to JMX endpoints, further reducing the attack surface and providing defense-in-depth measures against potential exploitation attempts.