CVE-2020-15372 : Vulnerability Insights and Analysis
Learn about CVE-2020-15372, a privilege escalation vulnerability in Brocade Fabric OS versions before v8.2.2a1, 8.2.2c, v7.4.2g, v8.2.0_CBN3, v8.2.1e, v8.1.2k, v9.0.0, allowing attackers to modify shell variables.
A vulnerability in Brocade Fabric OS could allow a local authenticated attacker to escalate privileges or bypass logging.
Understanding CVE-2020-15372
What is CVE-2020-15372?
Brocade Fabric OS versions before v8.2.2a1, 8.2.2c, v7.4.2g, v8.2.0_CBN3, v8.2.1e, v8.1.2k, v9.0.0 are susceptible to a privilege escalation vulnerability.
The Impact of CVE-2020-15372
The vulnerability could enable a local authenticated attacker to modify shell variables, potentially leading to privilege escalation or logging bypass.
Technical Details of CVE-2020-15372
Vulnerability Description
The flaw exists in the command-line interface of Brocade Fabric OS, allowing unauthorized modification of shell variables.
Affected Systems and Versions
- Product: Brocade Fabric OS
- Versions: v8.2.2a1, 8.2.2c, v7.4.2g, v8.2.0_CBN3, v8.2.1e, v8.1.2k, v9.0.0
Exploitation Mechanism
The vulnerability can be exploited by a local authenticated attacker to manipulate shell variables, potentially leading to privilege escalation or logging bypass.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-provided patches promptly.
- Monitor system logs for any suspicious activities.
- Restrict access to the command-line interface to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch the Brocade Fabric OS to the latest version.
- Conduct security training for personnel on best practices to prevent privilege escalation.
Patching and Updates
Ensure timely installation of security patches and updates provided by Brocade to mitigate the vulnerability.