CVE-2022-0853 in jboss-client
Summary
by MITRE • 03/11/2022
A flaw was found in JBoss-client. The vulnerability occurs due to a memory leak on the JBoss client-side, when using UserTransaction repeatedly and leads to information leakage vulnerability.
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Analysis
by VulDB Data Team • 03/16/2022
The vulnerability identified as CVE-2022-0853 represents a significant security weakness within the JBoss client-side implementation that manifests through improper memory management during UserTransaction operations. This flaw resides in the application server's client-side components and specifically impacts systems that rely heavily on transactional processing patterns. The issue stems from inadequate resource cleanup mechanisms within the JBoss client library, creating persistent memory consumption patterns that can accumulate over time. When applications repeatedly utilize UserTransaction interfaces, the memory allocated for transaction handling is not properly released, leading to gradual memory degradation that can eventually compromise system stability and performance.
The technical root cause of this vulnerability aligns with CWE-401, which addresses improper resource management and memory leaks in software applications. The flaw operates through a classic memory management error where allocated memory structures remain in use even after transaction completion, preventing the garbage collector from reclaiming these resources. This behavior creates a persistent state where memory consumption grows continuously with each transaction operation, ultimately leading to resource exhaustion. The vulnerability is particularly concerning because it operates at the client-side layer, meaning that even if the server components are properly secured, client applications using JBoss client libraries remain susceptible to this memory leak pattern.
From an operational impact perspective, this vulnerability creates multiple security implications beyond simple performance degradation. The memory leak can lead to information leakage through memory corruption or resource exhaustion attacks that may expose sensitive data stored in memory caches or transaction contexts. Attackers could potentially exploit the gradual memory consumption to cause denial of service conditions that might reveal system states or data patterns. Additionally, the vulnerability creates opportunities for attackers to perform resource exhaustion attacks that could impact system availability while simultaneously creating potential data exposure scenarios. The information leakage aspect of this vulnerability is particularly dangerous as it can expose transactional data, user credentials, or other sensitive information that remains in memory longer than intended.
The attack surface for this vulnerability extends across all JBoss client implementations that utilize UserTransaction interfaces, making it a widespread concern for enterprise applications. Organizations using JBoss EAP or related application server implementations that rely on client-side transaction management are at risk, particularly in high-volume transaction environments where repeated UserTransaction operations occur. The vulnerability can be exploited through legitimate application usage patterns, meaning that even properly configured systems can become compromised through normal operational procedures. This makes the vulnerability particularly insidious as detection is challenging and may not be immediately apparent during routine monitoring activities.
Mitigation strategies for CVE-2022-0853 should focus on both immediate remediation and long-term architectural improvements. Organizations should prioritize updating to patched versions of JBoss client libraries that address the memory management issues within UserTransaction handling. System administrators should implement monitoring solutions that track memory consumption patterns and alert on unusual growth trends that may indicate the presence of this vulnerability. Additionally, application developers should review transaction usage patterns to minimize repeated UserTransaction operations and implement proper resource cleanup procedures. The ATT&CK framework categorizes this vulnerability under resource exhaustion techniques and memory management flaws, suggesting that defensive measures should include monitoring for abnormal memory consumption patterns and implementing proper application lifecycle management practices that ensure proper resource deallocation. Organizations should also consider implementing application-level transaction pooling mechanisms that reduce the frequency of memory allocation operations while maintaining application functionality.