CVE-2018-3686 in INTEL-SA-00086 Detection Tool
Summary
by MITRE
Code injection vulnerability in INTEL-SA-00086 Detection Tool before version 1.2.7.0 may allow a privileged user to potentially execute arbitrary code via local access.
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Analysis
by VulDB Data Team • 03/23/2020
The CVE-2018-3686 vulnerability represents a critical code injection flaw within Intel's SA-00086 Detection Tool, a security utility designed to identify potential vulnerabilities in systems. This vulnerability specifically affects versions prior to 1.2.7.0 of the detection tool, creating a significant risk for organizations relying on this software for security assessments. The flaw arises from insufficient input validation and sanitization mechanisms within the tool's code execution pathways, allowing malicious actors with local access to exploit the vulnerability. The vulnerability's classification as a code injection issue places it squarely within the scope of CWE-94, which addresses the execution of arbitrary code due to improper handling of untrusted input data. This particular vulnerability demonstrates how security tools themselves can become attack vectors when not properly secured against malicious input.
The technical implementation of this vulnerability stems from the detection tool's failure to adequately validate or sanitize user inputs before processing them within the system's execution context. When a privileged user accesses the tool locally, they can manipulate input parameters to inject malicious code that gets executed within the tool's operational environment. This type of vulnerability is particularly dangerous because it leverages the trust relationship between the user and the security tool, allowing attackers to bypass normal security controls. The local access requirement means that attackers must already have legitimate access to the system, but the privilege escalation potential makes this a serious concern for organizations where administrative access is not tightly controlled. The vulnerability operates at the system level where the tool executes with elevated privileges, creating a direct path for privilege escalation attacks that align with techniques described in the MITRE ATT&CK framework under the privilege escalation category.
The operational impact of CVE-2018-3686 extends beyond simple code execution, as it fundamentally undermines the integrity of the security assessment process itself. Organizations using vulnerable versions of the Intel detection tool face the risk of complete system compromise, as attackers can leverage this vulnerability to install persistent backdoors, exfiltrate sensitive data, or establish further footholds within their network infrastructure. The vulnerability's potential for privilege escalation means that attackers who gain access through this flaw can operate with the full privileges of the security tool, potentially allowing them to bypass other security controls that would normally protect against such attacks. This creates a dangerous situation where the very tool designed to identify and protect against security vulnerabilities becomes a weapon for attackers to exploit the system's defenses. The impact is particularly severe in enterprise environments where the detection tool may be used across multiple systems and where the tool's elevated privileges could provide attackers with broad access to network resources.
Mitigation strategies for CVE-2018-3686 center around immediate remediation through software updates to version 1.2.7.0 or later, which address the underlying code injection vulnerabilities through proper input validation and sanitization mechanisms. Organizations should also implement additional access controls to limit local system access, ensuring that only authorized personnel can interact with the detection tool. The principle of least privilege should be enforced by running the tool with minimal required permissions rather than elevated privileges whenever possible. Security monitoring should be enhanced to detect unusual behavior patterns that might indicate exploitation attempts, including unexpected code execution or unusual network activity. Network segmentation and access controls should be implemented to limit lateral movement capabilities should an attacker successfully exploit the vulnerability. Organizations should also conduct thorough vulnerability assessments of their security tooling ecosystem to identify similar vulnerabilities in other security utilities that may pose similar risks. Regular security updates and patch management processes should be strengthened to ensure that security tools remain protected against known vulnerabilities. The remediation process should include comprehensive testing of updated versions to ensure that the patch does not introduce any regressions in the tool's functionality while effectively addressing the code injection vulnerability.