CVE-2017-6759 : Exploit Details and Defense Strategies
Learn about CVE-2017-6759 affecting Cisco Prime Collaboration Provisioning Tool 12.1. Find out how an attacker could write arbitrary files as root due to inadequate input validation.
Cisco Prime Collaboration Provisioning Tool 12.1 has a vulnerability in its UpgradeManager that allows a remote authenticated attacker to write arbitrary files as root on the system due to inadequate input validation. This weakness is identified by CWE-20.
Understanding CVE-2017-6759
The vulnerability in Cisco Prime Collaboration Provisioning Tool 12.1 could lead to unauthorized file writing by an attacker with system root access.
What is CVE-2017-6759?
The weakness in the UpgradeManager of Cisco Prime Collaboration Provisioning Tool 12.1 enables a remote authenticated attacker to write files as root on the system by exploiting insufficient input validation.
The Impact of CVE-2017-6759
This vulnerability could be exploited by an attacker with authenticated access to compromise the system's integrity by writing arbitrary files as root, potentially leading to further system compromise.
Technical Details of CVE-2017-6759
The technical aspects of the vulnerability in Cisco Prime Collaboration Provisioning Tool 12.1.
Vulnerability Description
The vulnerability allows a remote authenticated attacker to write arbitrary files as root on the system due to inadequate input validation in the UpgradeManager component.
Affected Systems and Versions
- Product: Cisco Prime Collaboration Provisioning Tool
- Version: Cisco Prime Collaboration Provisioning Tool 12.1
Exploitation Mechanism
- An attacker with authenticated access can exploit the vulnerability by triggering the upgrade package installation feature.
Mitigation and Prevention
Steps to address and prevent the CVE-2017-6759 vulnerability.
Immediate Steps to Take
- Apply the necessary patches and updates provided by Cisco to mitigate the vulnerability.
- Monitor system logs for any suspicious activities related to file writing.
Long-Term Security Practices
- Implement strict input validation mechanisms to prevent similar vulnerabilities in the future.
- Conduct regular security audits and assessments to identify and address potential weaknesses.
Patching and Updates
- Regularly check for security advisories and updates from Cisco to ensure the system is protected against known vulnerabilities.