CVE-2019-0139 : Exploit Details and Defense Strategies
Learn about CVE-2019-0139, a firmware vulnerability in Intel(R) Ethernet 700 Series Controllers allowing privilege escalation, denial of service, or information disclosure through local access. Find mitigation steps and preventive measures here.
Firmware version earlier than 7.0 for Intel(R) Ethernet 700 Series Controllers may have inadequate access control, potentially leading to an escalation of privilege, denial of service, or information disclosure through local access.
Understanding CVE-2019-0139
This CVE involves a vulnerability in the firmware of Intel(R) Ethernet 700 Series Controllers that could be exploited by a privileged user.
What is CVE-2019-0139?
CVE-2019-0139 refers to insufficient access control in the firmware of Intel(R) Ethernet 700 Series Controllers before version 7.0, allowing a privileged user to potentially escalate privileges, cause denial of service, or disclose information through local access.
The Impact of CVE-2019-0139
The vulnerability could result in an attacker with local access exploiting the system to gain escalated privileges, disrupt services, or access sensitive information.
Technical Details of CVE-2019-0139
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate access control in the firmware of Intel(R) Ethernet 700 Series Controllers prior to version 7.0.
Affected Systems and Versions
- Product: 2019.2 IPU – Intel(R) Ethernet 700 Series Controllers
- Versions: Firmware versions earlier than 7.0
Exploitation Mechanism
The vulnerability could be exploited by a privileged user with local access to the system, enabling actions like privilege escalation, denial of service, or information disclosure.
Mitigation and Prevention
To address CVE-2019-0139, follow these mitigation strategies:
Immediate Steps to Take
- Update the firmware of Intel(R) Ethernet 700 Series Controllers to version 7.0 or later.
- Implement strict access controls and user permissions to limit privileged user actions.
Long-Term Security Practices
- Regularly monitor and audit firmware updates and access control mechanisms.
- Train users on secure practices to prevent unauthorized access and privilege escalation.
Patching and Updates
- Stay informed about security advisories from Intel and promptly apply recommended patches and updates.