Learn about CVE-2023-25540 vulnerability in Dell PowerScale OneFS 9.4.0.x that could allow local attackers to overwrite files, leading to denial of service. Mitigation steps included.
This CVE-2023-25540 article discusses a vulnerability identified in Dell PowerScale OneFS 9.4.0.x that could be exploited by a local malicious user to overwrite arbitrary files, leading to denial of service.
Understanding CVE-2023-25540
This section provides an overview of the CVE-2023-25540 vulnerability in Dell PowerScale OneFS 9.4.0.x.
What is CVE-2023-25540?
The CVE-2023-25540 vulnerability is categorized as an incorrect default permissions issue in Dell PowerScale OneFS 9.4.0.x. It allows a local malicious user to exploit the vulnerability, potentially leading to the overwriting of arbitrary files and causing denial of service.
The Impact of CVE-2023-25540
The impact of CVE-2023-25540 is considered medium severity with a CVSS V3.1 base score of 6 out of 10. The vulnerability's availability impact is high, while the integrity impact is also high. Confidentiality impact is rated as none, and the attack vector is local with high privileges required.
Technical Details of CVE-2023-25540
In this section, we delve into the technical details of the CVE-2023-25540 vulnerability in Dell PowerScale OneFS 9.4.0.x.
Vulnerability Description
The vulnerability in Dell PowerScale OneFS 9.4.0.x arises from incorrect default permissions, allowing a local malicious user to exploit the issue by overwriting arbitrary files, potentially resulting in denial of service.
Affected Systems and Versions
Dell PowerScale OneFS version 9.4.0.x through 9.4.0.11 is affected by the CVE-2023-25540 vulnerability.
Exploitation Mechanism
The exploitation of CVE-2023-25540 involves a local malicious user leveraging the incorrect default permissions in Dell PowerScale OneFS 9.4.0.x to overwrite arbitrary files, leading to denial of service.
Mitigation and Prevention
This section outlines steps to mitigate and prevent the CVE-2023-25540 vulnerability in Dell PowerScale OneFS 9.4.0.x.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates