Discover the Access Control vulnerability in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, allowing attackers to gain escalated privileges. Learn about the impact, technical details, and mitigation steps.
An Access Control issue discovered in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, also fixed in 22.7, 31.7.2 allows attackers to gain escalated privileges using crafted telnet commands via Redis server.
Understanding CVE-2023-43119
This CVE refers to an Access Control vulnerability found in Extreme Networks Switch Engine (EXOS) that can be exploited by attackers to escalate privileges through specific telnet commands.
What is CVE-2023-43119?
CVE-2023-43119 highlights a security flaw in certain versions of Extreme Networks Switch Engine that enables unauthorized users to gain escalated privileges by executing malicious telnet commands leveraging the Redis server.
The Impact of CVE-2023-43119
The impact of CVE-2023-43119 could lead to unauthorized access and escalation of privileges, potentially allowing attackers to manipulate network configurations and compromise sensitive data.
Technical Details of CVE-2023-43119
This section provides additional technical insights into the vulnerability.
Vulnerability Description
The vulnerability in Extreme Networks Switch Engine (EXOS) versions before 32.5.1.5, also resolved in versions 22.7 and 31.7.2, allows threat actors to exploit crafted telnet commands via the Redis server to gain higher privileges than intended.
Affected Systems and Versions
All versions of Extreme Networks Switch Engine (EXOS) before 32.5.1.5 are affected by this vulnerability, along with versions 22.7 and 31.7.2.
Exploitation Mechanism
Attackers exploit this vulnerability by sending specifically crafted telnet commands through the Redis server, tricking the system into granting unauthorized access and higher privileges.
Mitigation and Prevention
To address CVE-2023-43119, consider the following mitigation strategies.
Immediate Steps to Take
Immediately update affected Extreme Networks Switch Engine (EXOS) versions to the patched releases, namely 32.5.1.5, 22.7, or 31.7.2. Disable telnet services if not strictly required to minimize the attack surface.
Long-Term Security Practices
Enforce strict access controls and regularly review and update network configurations to prevent unauthorized access. Conduct security audits and penetration testing periodically.
Patching and Updates
Stay informed about security updates from Extreme Networks and apply patches promptly to safeguard your network environment against known vulnerabilities.