CVE-2020-0575 in Unite Client
Summary
by MITRE • 11/12/2020
Improper buffer restrictions in the Intel(R) Unite Client for Windows* before version 4.2.13064 may allow an authenticated user to potentially enable information disclosure via local access.
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Analysis
by VulDB Data Team • 12/06/2020
The vulnerability identified as CVE-2020-0575 represents a critical buffer overflow issue within the Intel(R) Unite Client for Windows software ecosystem. This client application facilitates remote desktop and collaboration functionalities for enterprise environments, making it a prime target for attackers seeking to exploit system weaknesses. The vulnerability specifically manifests in improper buffer restrictions that could be leveraged by authenticated users with local system access to potentially disclose sensitive information.
The technical flaw stems from inadequate input validation and memory management within the client application's processing mechanisms. When the Intel Unite Client handles certain data inputs, it fails to properly enforce buffer size limitations, creating opportunities for memory corruption that could be exploited to extract confidential data. This weakness aligns with CWE-121, which categorizes buffer overflow conditions that occur when a program writes data beyond the boundaries of a fixed-length buffer. The vulnerability essentially allows an authenticated user to manipulate memory structures in ways that were not intended by the software design, potentially exposing sensitive system information.
From an operational perspective, this vulnerability poses significant risks to enterprise security environments where Intel Unite Client is deployed. The requirement for local authentication means that attackers would need to first gain access to a legitimate user account, but once achieved, they could potentially extract sensitive information from the system. This threat vector is particularly concerning because the Intel Unite Client is often used in business settings where it may have elevated privileges and access to critical corporate data. The local access requirement reduces the attack surface compared to remote exploits but still represents a substantial security risk in environments where privilege escalation or credential theft is possible.
The impact of this vulnerability extends beyond simple information disclosure, as the extracted data could potentially include system credentials, configuration details, or other sensitive information that could be used for further attacks. Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, particularly under the techniques related to privilege escalation and credential access. Organizations utilizing Intel Unite Client should prioritize immediate remediation through the vendor-provided security updates, as the vulnerability exists in versions prior to 4.2.13064. The recommended mitigation strategy involves updating to the patched version while also implementing additional security controls such as monitoring for unusual local access patterns and maintaining strict access control policies for systems running this client software.