CVE-2015-7421 in MQ M2000
Summary
by MITRE
Unspecified vulnerability in GSKit on IBM MQ M2000 appliances before 8.0.0.4 allows remote attackers to obtain sensitive information via unknown vectors, a different vulnerability than CVE-2015-7420.
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Analysis
by VulDB Data Team • 07/02/2022
The vulnerability identified as CVE-2015-7421 affects GSKit components within IBM MQ M2000 appliances running versions prior to 8.0.0.4. This issue represents a sensitive information disclosure vulnerability that exists independently from CVE-2015-7420, indicating that multiple distinct vulnerabilities may be present within the same product line. GSKit serves as a cryptographic toolkit that provides security services for IBM MQ messaging systems, making this vulnerability particularly concerning from a cybersecurity perspective as it could potentially expose critical cryptographic materials or system information to unauthorized parties.
The technical nature of this vulnerability lies in its ability to allow remote attackers to obtain sensitive information through unspecified attack vectors. While the exact technical mechanism remains unspecified, such information disclosure vulnerabilities typically arise from improper access controls, insecure data handling practices, or flawed cryptographic implementations within the GSKit component. The fact that this vulnerability operates remotely suggests that attackers do not require physical access or local system privileges to exploit it, making the attack surface significantly broader. The unspecified vectors could involve protocol-level weaknesses, improper error handling that reveals internal system details, or insecure communication channels that leak sensitive data.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing IBM MQ M2000 appliances for mission-critical messaging services. The exposure of sensitive information could potentially include cryptographic keys, system configuration details, user credentials, or other confidential data that could be leveraged by attackers to escalate their privileges or compromise additional system components. The vulnerability's presence in a cryptographic toolkit means that even if the primary messaging functionality remains intact, the underlying security infrastructure could be compromised, potentially undermining the entire security posture of the messaging system. Organizations may face regulatory compliance issues and potential data breaches if this vulnerability is exploited successfully.
The remediation approach for CVE-2015-7421 requires immediate application of the vendor-provided security patches or updates to IBM MQ M2000 appliances to reach version 8.0.0.4 or later. Organizations should also conduct thorough vulnerability assessments to identify any potential exploitation attempts or unauthorized access that may have occurred prior to patching. Network segmentation and monitoring should be enhanced to detect unusual data access patterns that could indicate information disclosure attempts. Additionally, organizations should review their overall cryptographic security practices and ensure that all components within their messaging infrastructure are properly updated and maintained to prevent similar vulnerabilities from arising in the future. This vulnerability aligns with CWE-200, which covers "Information Exposure," and could potentially map to ATT&CK techniques involving credential access and reconnaissance activities that leverage information disclosure to gain deeper system access.