CVE-2023-28746 is classified as a medium-severity vulnerability with a CVSS score of 6.5. This vulnerability allows information exposure through microarchitectural state after transient execution from some register files for certain Intel(R) Atom(R) Processors. It may permit an authenticated user to potentially enable information disclosure via local access, posing a significant risk to organizations relying on affected systems.
The nature of this vulnerability underscores its importance as attackers may leverage it to access sensitive information without requiring high privileges. Given the potential confidentiality impact rated as high, organizations should prioritize patching immediately to prevent unauthorized access to critical data.
As of now, there are no known public exploits or proof-of-concept (PoC) code available, which may provide a temporary reprieve for security teams. However, the lack of known exploits does not diminish the urgency for defenders to address this vulnerability promptly, as the risk landscape is constantly evolving.
Organizations utilizing Intel Atom processors should commence assessments to identify affected systems and implement necessary mitigations. Given the complexity of the vulnerability and the possible attack vectors, timely remediation is crucial to maintaining data integrity and confidentiality.
Vulnerability Details
The official CVE description states that this vulnerability allows information exposure through microarchitectural state after transient execution from some register files for certain Intel(R) Atom(R) Processors. The CVSS score is 6.5, indicating a medium severity level. The potential implications of this vulnerability can lead to significant data exposure, making it vital for organizations to take immediate action.
The CWE classification for this vulnerability is CWE-1342, which pertains to microarchitectural state information exposure. The publication date of this CVE is March 14, 2024, and it is currently awaiting analysis. Organizations should ensure they are aware of the potential risks associated with this vulnerability and take steps to mitigate them.
Technical Analysis
The root cause of CVE-2023-28746 lies in the microarchitectural design of certain Intel Atom processors, which may inadvertently expose sensitive information during transient executions. The attack vector for this vulnerability is classified as local, requiring an authenticated user to access the system physically. Attack complexity is rated as low, meaning that exploiting this vulnerability does not require advanced skills.
Privileges required to exploit this vulnerability are low, as it can be executed by an authenticated user. There is no user interaction necessary to trigger the vulnerability, enhancing its exploitability. The confidentiality impact is rated as high, indicating that sensitive information may be exposed, while integrity and availability impacts are rated as none.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2023-28746 is significant, particularly for organizations that utilize Intel Atom processors in environments where sensitive information is processed or stored. The potential for information exposure can lead to unauthorized access to proprietary data, customer information, and other confidential materials.
Organizations should consider the blast radius of this vulnerability, as it could impact multiple systems if left unaddressed. The urgency assessment based on the CVSS score and the potential for exploitation strongly suggests that organizations should address this vulnerability in their patch cycle without delay.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
Specific version information for the affected Intel Atom processors is currently not provided. Organizations should consider all versions prior to vendor patch, as they may potentially be affected by this vulnerability.
Mitigation & Remediation
Organizations should prioritize deploying patches or updates provided by Intel for the affected Atom processors. To mitigate risks, users should monitor the official Intel advisory on this vulnerability, available at Intel advisory. Additionally, organizations should implement configuration hardening and network controls to further secure their environments against potential exploitation.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor system logs for any anomalies indicative of unauthorized access attempts. Behavioral analysis should be conducted to identify unusual patterns that may suggest an attempt to exploit this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2023-28746 lies in its potential to expose user data through local access. Security teams should take this as a reminder of the importance of microarchitectural security in processor design. Organizations must remain vigilant and adapt their security strategies to address such vulnerabilities proactively.
For further insights into security best practices, organizations can refer to our comprehensive penetration testing methodology and consider implementing a robust vulnerability management program to ensure resilience against future vulnerabilities.
Additionally, organizations should stay informed about emerging trends in security by consulting resources such as our 2026 ransomware targeting trends to enhance their defensive posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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