A severe security vulnerability (CVE-2024-52577) in Apache Ignite, the open-source distributed database and computing platform, has been disclosed.
The flaw enables remote attackers to execute arbitrary code on vulnerable servers by exploiting insecure deserialization mechanisms in specific configurations.
First reported on February 14, 2025, this issue impacts all Apache Ignite versions from 2.6.0 up to (but excluding) 2.17.0, necessitating immediate patching for organizations using the platform.
Apache Ignite’s server nodes process incoming messages using Java’s serialization/deserialization framework.
In affected versions, the platform improperly skips class serialization filters—security controls designed to block malicious objects—for certain network endpoints.
Attackers exploiting this flaw can craft messages containing harmful objects that bypass these filters.
If the target server’s classpath includes the attacker-chosen class, deserialization triggers arbitrary code execution with the same privileges as the Ignite process.
The vulnerability hinges on incomplete validation of incoming data streams. Misconfigured endpoints (e.g., thin clients or inter-node communication channels) become entry points for payloads containing serialized Java objects.
Successful exploitation could lead to full server compromise, data exfiltration, or lateral movement within the infrastructure.
Mitigation and Patching Recommendations
The Apache Ignite team has addressed the flaw in version 2.17.0 by enforcing class filters across all endpoints.
Administrators must upgrade immediately. For environments where upgrades are temporarily infeasible, interim measures include:
CVE-2024-52577 underscores persistent risks in distributed systems that rely on Java serialization, a feature long criticized for its insecure defaults.
Similar vulnerabilities (e.g., Apache Log4j’s RCE flaws) highlight systemic challenges in balancing performance and security. Experts advise organizations to:
As of February 19, 2025, no active exploits have been documented, but proof-of-concept code is anticipated given the flaw’s severity.
Administrators should treat this vulnerability as high-priority, especially for Ignite clusters exposed to untrusted networks.
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