CVE-2009-3160 in WebSphere MQ
Summary
by MITRE
IBM WebSphere MQ 6.x through 6.0.2.7, 7.0.0.0, 7.0.0.1, 7.0.0.2, and 7.0.1.0, when read ahead or asynchronous message consumption is enabled, allows attackers to have an unspecified impact via unknown vectors, related to a "memory overwrite" issue.
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Analysis
by VulDB Data Team • 04/13/2025
The vulnerability identified as CVE-2009-3160 affects IBM WebSphere MQ versions spanning multiple release lines including 6.x through 6.0.2.7 and various 7.0.x versions. This security flaw manifests when specific message consumption modes are enabled, particularly read ahead and asynchronous message consumption patterns. The vulnerability represents a critical memory corruption issue that can potentially be exploited by malicious actors to compromise system integrity and availability. The unspecified impact vector suggests that attackers may be able to manipulate memory structures in ways that could lead to arbitrary code execution or system instability.
The technical nature of this vulnerability stems from improper memory management within the message queuing system when handling asynchronous message processing. The memory overwrite issue occurs during the message consumption process where the system fails to properly validate or constrain memory operations during read ahead or asynchronous consumption scenarios. This flaw falls under the category of memory safety vulnerabilities and aligns with CWE-121, which describes stack-based buffer overflow conditions, and CWE-122, which covers heap-based buffer overflow scenarios. The root cause appears to be inadequate bounds checking and memory allocation controls within the messaging engine's consumption logic.
The operational impact of this vulnerability extends beyond simple system crashes or hangs, as it creates potential attack vectors that could be leveraged for more sophisticated exploitation techniques. When attackers can successfully exploit this memory overwrite condition, they may be able to execute arbitrary code with the privileges of the WebSphere MQ process, potentially leading to complete system compromise. The asynchronous nature of the affected consumption modes means that the vulnerability could be triggered during normal system operations, making detection and prevention more challenging. Organizations using these specific WebSphere MQ versions face significant risk when message consumption is enabled, particularly in environments where untrusted message sources exist.
Mitigation strategies for CVE-2009-3160 should prioritize immediate patching of affected systems with the latest IBM security fixes and updates. Organizations should disable read ahead and asynchronous message consumption features until proper patches are applied, as these modes are directly correlated with the vulnerability exposure. Network segmentation and access controls should be implemented to limit exposure of WebSphere MQ systems to untrusted networks or users. Monitoring systems should be enhanced to detect unusual memory consumption patterns or potential exploitation attempts, particularly around message processing activities. The vulnerability's relationship to the ATT&CK framework's technique T1059.007 for command and scripting interpreter suggests that exploitation may involve crafting specific message payloads that trigger the memory corruption. Regular security assessments and penetration testing should be conducted to verify the effectiveness of implemented controls and to identify any potential bypasses or additional attack vectors that may exist within the messaging infrastructure.