CVE-2018-0089 : Exploit Details and Defense Strategies
Learn about CVE-2018-0089, a vulnerability in the Policy and Charging Rules Function (PCRF) of Cisco Policy Suite (CPS) that allows unauthorized access to confidential data. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in the Policy and Charging Rules Function (PCRF) of the Cisco Policy Suite (CPS) could allow unauthorized access to confidential data by a remote attacker. The attacker must already have access to the internal VLAN where CPS is deployed to exploit this vulnerability.
Understanding CVE-2018-0089
This CVE involves a flaw in the Policy and Charging Rules Function (PCRF) of the Cisco Policy Suite (CPS) that could lead to unauthorized access to sensitive data.
What is CVE-2018-0089?
The vulnerability in CPS could allow an attacker, located remotely, to access confidential data, potentially leading to further attacks. The attacker needs access to the internal VLAN where CPS is deployed to exploit this flaw.
The Impact of CVE-2018-0089
- Unauthorized access to confidential data in CPS
- Possibility of conducting reconnaissance attacks
- Requirement of existing access to the internal VLAN for exploitation
Technical Details of CVE-2018-0089
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability is attributed to incorrect permissions of specific system files and inadequate protection of sensitive data at rest in CPS.
Affected Systems and Versions
- Product: Cisco Policy Suite
- Version: Cisco Policy Suite
Exploitation Mechanism
- Attacker utilizes specific tools on the internal network interface to request and view system files
- Successful exploitation reveals sensitive information about the application
Mitigation and Prevention
Protecting systems from CVE-2018-0089 is crucial for maintaining security.
Immediate Steps to Take
- Apply security patches provided by Cisco
- Restrict access to the internal VLAN where CPS is deployed
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update and patch all software and systems
- Conduct security audits and assessments periodically
- Implement strong access controls and encryption mechanisms
Patching and Updates
- Stay informed about security advisories from Cisco
- Apply patches promptly to address vulnerabilities