CVE-2020-2558 : Security Advisory and Response
Learn about CVE-2020-2558, a vulnerability in Oracle Solaris allowing unauthorized attackers to compromise the system. Discover the impact, affected systems, and mitigation steps.
A vulnerability in the Oracle Solaris product of Oracle Systems allows unauthorized attackers to compromise the system, potentially leading to a partial denial of service.
Understanding CVE-2020-2558
This CVE involves a vulnerability in the Oracle Solaris product that can be exploited by unauthenticated attackers with network access via SMB.
What is CVE-2020-2558?
The vulnerability in the Oracle Solaris product (specifically the Kernel component) affects version 11. It is an easily exploitable flaw that enables attackers to compromise Oracle Solaris, potentially impacting other products as well. Successful exploitation can result in a partial denial of service.
The Impact of CVE-2020-2558
The vulnerability has a CVSS 3.0 Base Score of 5.8, with availability impacts. Attackers can exploit this vulnerability to cause a partial denial of service on Oracle Solaris.
Technical Details of CVE-2020-2558
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers with network access via SMB to compromise Oracle Solaris, potentially impacting additional products. Successful attacks can lead to a partial denial of service.
Affected Systems and Versions
- Product: Solaris Operating System
- Vendor: Oracle Corporation
- Affected Version: 11
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Availability Impact: Low
- Privileges Required: None
- User Interaction: None
- Scope: Changed
Mitigation and Prevention
To address CVE-2020-2558, follow these steps:
Immediate Steps to Take
- Monitor security alerts from Oracle.
- Apply patches and updates promptly.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and audits.
Patching and Updates
- Stay informed about security bulletins and updates from Oracle.
- Apply recommended patches to mitigate the vulnerability effectively.