CVE-2021-23279 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-23279, an arbitrary file delete vulnerability in Eaton Intelligent Power Manager (IPM) software prior to 1.69. Learn about the technical details and mitigation steps.
CVE-2021-23279, also known as 'Arbitrary File delete', is a vulnerability found in Eaton Intelligent Power Manager (IPM) prior to version 1.69. The issue allows unauthenticated attackers to delete files on systems where the IPM software is installed. This CVE was published on April 1, 2021, by Eaton.
Understanding CVE-2021-23279
This section will provide detailed insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-23279?
CVE-2021-23279 is an unauthenticated arbitrary file delete vulnerability in Eaton IPM software, allowing attackers to delete files using specially crafted packets due to improper input validation.
The Impact of CVE-2021-23279
This vulnerability has a CVSS v3.1 base score of 8 (High), with a critical impact on system integrity and availability. Attackers can exploit this issue without requiring any privileges.
Technical Details of CVE-2021-23279
Let's delve into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from improper input validation in the meta_driver_srv.js class, specifically in the saveDriverData action using an invalidated driverID, enabling file deletion via crafted packets.
Affected Systems and Versions
Eaton Intelligent Power Manager (IPM) versions earlier than 1.69 are vulnerable to this arbitrary file delete issue.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted packets to systems running the vulnerable IPM software to delete arbitrary files.
Mitigation and Prevention
Protecting systems from CVE-2021-23279 is crucial for maintaining security. Here are some mitigation strategies:
Immediate Steps to Take
To prevent exploitation, Eaton recommends blocking specific ports (4679 & 4680) on the network where IPM is installed.
Long-Term Security Practices
Regularly updating the IPM software to the latest version (1.69) is essential to mitigate this vulnerability and enhance overall system security.
Patching and Updates
Ensure timely installation of security patches and updates provided by Eaton to address this vulnerability effectively.