CVE-2015-1198 in ha
Summary
by MITRE
Multiple directory traversal vulnerabilities in ha 0.999p+dfsg-5.
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Analysis
by VulDB Data Team • 11/10/2019
The CVE-2015-1198 vulnerability represents a significant directory traversal issue affecting the ha package version 0.999p+dfsg-5, which is commonly used for high availability clustering in Linux environments. This vulnerability stems from inadequate input validation mechanisms within the software's file handling processes, allowing malicious actors to exploit weaknesses in path resolution logic. The affected system components typically handle cluster configuration files and resource management tasks where proper sanitization of user-supplied paths is crucial for maintaining system integrity.
The technical flaw manifests through insufficient validation of file paths during cluster operation management, where the software fails to properly sanitize or normalize input parameters that specify file locations. Attackers can manipulate these parameters to traverse directories beyond intended boundaries, potentially accessing sensitive system files, configuration data, or other restricted resources. This vulnerability operates at the application layer and can be exploited through crafted input sequences that bypass normal path validation checks, allowing unauthorized file access and potential privilege escalation within the cluster environment.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it can enable attackers to disrupt cluster operations, modify critical configuration files, or extract sensitive information from the high availability system. Organizations relying on ha package for critical infrastructure protection face significant risks including service disruption, data compromise, and potential system compromise. The vulnerability particularly affects environments where cluster nodes share common file systems or where configuration management relies on external input validation.
Mitigation strategies for CVE-2015-1198 should focus on immediate patch deployment for the affected ha package version, along with implementing robust input validation mechanisms at all system interfaces. Security teams should conduct comprehensive audits of cluster configurations to identify potential exploitation vectors and establish monitoring protocols for unusual file access patterns. The vulnerability aligns with CWE-22 Directory Traversal and follows ATT&CK technique T1059 Command and Scripting Interpreter, as attackers may leverage this weakness to execute malicious commands through manipulated file paths. Organizations should also implement principle of least privilege access controls and regularly review file system permissions to minimize potential damage from successful exploitation attempts.