CVE-2017-1318 in MQ Appliance
Summary
by MITRE
IBM MQ Appliance 8.0 and 9.0 could allow an authenticated messaging administrator to execute arbitrary commands on the system, caused by command execution. IBM X-Force ID: 125730.
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Analysis
by VulDB Data Team • 01/01/2021
The vulnerability identified as CVE-2017-1318 represents a critical command injection flaw in IBM MQ Appliance versions 8.0 and 9.0 that enables authenticated messaging administrators to execute arbitrary system commands. This vulnerability stems from insufficient input validation within the appliance's command processing mechanisms, allowing maliciously crafted inputs to be interpreted and executed as system commands rather than being treated as data. The flaw specifically affects the appliance's administrative interface where command execution capabilities are exposed to authenticated users with messaging administrator privileges.
The technical implementation of this vulnerability involves a failure in proper input sanitization and command construction within the IBM MQ Appliance's administrative processing layer. When authenticated administrators submit commands through the management interface, the system fails to properly validate or escape input parameters before incorporating them into system command executions. This creates a classic command injection attack vector where an attacker can append malicious commands to legitimate administrative operations, potentially leading to complete system compromise. The vulnerability aligns with CWE-77 and CWE-78 categories, which specifically address command injection flaws where untrusted data is incorporated into command execution contexts without proper sanitization.
From an operational impact perspective, this vulnerability presents a severe risk to organizations relying on IBM MQ Appliance for message queuing and enterprise messaging services. An authenticated attacker with messaging administrator privileges can escalate their access to full system control, potentially leading to data breaches, service disruption, and unauthorized access to sensitive enterprise communications. The attack requires minimal privileges since the vulnerability targets authenticated administrative accounts, making it particularly dangerous in environments where administrative access is granted to multiple users. The implications extend beyond immediate command execution to potential lateral movement within networks and persistence mechanisms that could be established by attackers.
Organizations should implement immediate mitigations including applying the relevant IBM security patches and updates released to address this vulnerability. Network segmentation and privilege minimization should be enforced to limit the potential impact of compromised administrative accounts. Additional controls such as implementing strict input validation policies, monitoring administrative command execution logs, and conducting regular security assessments of messaging infrastructure are recommended. The vulnerability demonstrates the importance of proper input validation and privilege separation in enterprise messaging systems, aligning with ATT&CK technique T1059 for command and scripting interpreter and T1078 for valid accounts. Organizations should also consider implementing privileged access management solutions and regular security awareness training for administrators to reduce the risk of exploitation through credential compromise or social engineering attacks that could lead to authenticated access to vulnerable administrative interfaces.