CVE-2015-2958 in MilkyStep
Summary
by MITRE
Igreks MilkyStep Light 0.94 and earlier and Professional 1.82 and earlier allows remote attackers to bypass intended access restrictions and modify settings via unspecified vectors, a different vulnerability than CVE-2015-2952 and CVE-2015-2953.
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Analysis
by VulDB Data Team • 04/06/2019
The vulnerability identified as CVE-2015-2958 affects Igreks MilkyStep Light version 0.94 and earlier, as well as Professional version 1.82 and earlier, representing a critical access control flaw that enables remote attackers to circumvent intended security restrictions. This issue specifically targets the authentication and authorization mechanisms within the software, allowing unauthorized modification of system settings from remote locations without proper credentials or permissions. Unlike similar vulnerabilities such as CVE-2015-2952 and CVE-2015-2953, this flaw operates through distinct attack vectors that exploit weaknesses in the software's access control implementation, making it particularly concerning for organizations relying on these systems for operational technology or industrial control processes.
The technical nature of this vulnerability stems from insufficient validation of user credentials and access permissions within the MilkyStep software framework. Attackers can leverage this flaw to gain elevated privileges and modify critical system configurations, potentially leading to complete system compromise or disruption of operations. The unspecified attack vectors suggest that the vulnerability may involve multiple entry points including network-based attacks, possibly through improperly configured network services or unsecured communication channels that allow remote code execution or privilege escalation. This weakness directly violates fundamental security principles and represents a failure in the principle of least privilege, where users should only have access to resources necessary for their specific roles.
From an operational impact perspective, this vulnerability poses significant risks to organizations using Igreks MilkyStep software in industrial environments or critical infrastructure settings. The ability to bypass access restrictions and modify settings remotely could lead to unauthorized changes in operational parameters, potentially causing system failures, safety hazards, or data integrity issues. The vulnerability's remote exploitability means that attackers do not require physical access to the system, making it particularly dangerous for environments where security is paramount. Organizations may face regulatory compliance issues, operational disruptions, and potential safety risks if these systems control critical processes or safety mechanisms within their facilities.
Mitigation strategies for CVE-2015-2958 should prioritize immediate software updates and patches provided by the vendor, as well as network segmentation to limit access to affected systems. Organizations should implement strict access controls and authentication mechanisms, including multi-factor authentication where possible, and conduct thorough security assessments of their industrial control systems. Network monitoring and intrusion detection systems should be deployed to identify potential exploitation attempts, while regular security audits should verify that access restrictions are properly enforced. This vulnerability aligns with CWE-284, which addresses improper access control, and may map to ATT&CK techniques involving privilege escalation and lateral movement within affected networks. The remediation process should also include comprehensive testing to ensure that the patch does not introduce compatibility issues with existing operational procedures or system integrations.