CVE-2020-0598 in Binary Configuration Tool
Summary
by MITRE
Uncontrolled search path in the installer for the Intel(R) Binary Configuration Tool for Windows, all versions, may allow an authenticated user to potentially enable escalation of privilege via local access.
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Analysis
by VulDB Data Team • 04/16/2020
The vulnerability identified as CVE-2020-0598 resides within the installer component of Intel's Binary Configuration Tool for Windows, affecting all supported versions of the software. This issue represents a classic path traversal and search path manipulation flaw that can be exploited by authenticated users with local access to the system. The vulnerability stems from improper handling of environmental variables and path resolution during the installation process, creating opportunities for malicious actors to influence the execution flow of the installer.
The technical root cause of this vulnerability aligns with CWE-428, which describes an uncontrolled search path that allows attackers to manipulate the order in which programs are executed. When the Intel Binary Configuration Tool installer processes installation requests, it fails to properly validate or sanitize the search paths used to locate required components or dependencies. This weakness creates a situation where an attacker with local access can place malicious executables or libraries in directories that are searched before legitimate system paths, effectively hijacking the installation process.
From an operational perspective, this vulnerability presents a significant risk for privilege escalation attacks. An authenticated user with local system access can exploit this flaw to execute arbitrary code with elevated privileges, potentially leading to complete system compromise. The attack vector requires local access but does not necessitate network connectivity or complex exploitation techniques, making it particularly dangerous in environments where local user accounts are not properly restricted. The vulnerability can be leveraged by attackers to install backdoors, modify system binaries, or establish persistent access to the compromised system.
The impact of CVE-2020-0598 extends beyond simple privilege escalation as it can facilitate broader attack chains within compromised environments. Security professionals should note that this vulnerability can be combined with other local exploits to create more sophisticated attack scenarios, potentially leading to lateral movement or data exfiltration. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the 'Modify Registry' and 'Create or Modify System Process' tactics that attackers commonly employ to maintain persistence.
Organizations should implement immediate mitigations including applying the latest security patches provided by Intel, which address the search path manipulation issue in the installer component. System administrators should also enforce strict access controls and monitor for unusual installation activities or modifications to system paths. Additional protective measures include implementing application whitelisting policies, restricting local user privileges, and conducting regular security assessments of installed software components. The vulnerability underscores the importance of proper input validation and secure coding practices in installer and setup utilities, particularly those that operate with elevated privileges during installation processes.