CVE-2019-15958 : Security Advisory and Response
Learn about CVE-2019-15958, a critical vulnerability in Cisco Prime Infrastructure and Evolved Programmable Network Manager allowing remote attackers to execute code with root privileges. Find mitigation steps and impact details.
A security flaw in the REST API of Cisco Prime Infrastructure (PI) and Cisco Evolved Programmable Network Manager (EPNM) allows unauthorized remote attackers to run arbitrary code with root privileges on the operating system.
Understanding CVE-2019-15958
This CVE involves a vulnerability in the initial High Availability (HA) configuration and registration process of affected devices, enabling attackers to exploit the flaw during this period.
What is CVE-2019-15958?
The vulnerability arises from insufficient input validation during HA setup, permitting attackers to upload malicious files and execute code with root privileges.
The Impact of CVE-2019-15958
- CVSS Base Score: 8.1 (High Severity)
- Attack Vector: Network
- Confidentiality, Integrity, and Availability Impact: High
- No Privileges Required for exploitation
Technical Details of CVE-2019-15958
This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw allows remote attackers to execute arbitrary code with root privileges by uploading malicious files during the HA registration process.
Affected Systems and Versions
- Product: Cisco Prime Infrastructure
- Vendor: Cisco
- Affected Versions: Unspecified
Exploitation Mechanism
Attackers can take advantage of the vulnerability by uploading malicious files during the HA registration, gaining root-level access to the operating system.
Mitigation and Prevention
To address CVE-2019-15958, immediate steps and long-term security practices are crucial.
Immediate Steps to Take
- Implement network segmentation to limit access
- Apply the latest security patches from Cisco
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Conduct regular security audits and assessments
- Educate users on safe computing practices
- Keep systems updated with the latest security measures
- Employ intrusion detection and prevention systems
Patching and Updates
- Ensure timely installation of security updates and patches provided by Cisco