Learn about CVE-2023-30630, a vulnerability in Dmidecode allowing -dump-bin to overwrite local files, posing security risks. Find mitigation steps and update recommendations here.
Dmidecode before 3.5 allows -dump-bin to overwrite a local file, which could lead to security issues when executed with elevated privileges.
Understanding CVE-2023-30630
This section provides insights into the impact and technical details of CVE-2023-30630.
What is CVE-2023-30630?
CVE-2023-30630 pertains to a vulnerability in Dmidecode before version 3.5 that enables the -dump-bin option to overwrite local files, posing a risk when Dmidecode is run with elevated permissions.
The Impact of CVE-2023-30630
The security implication of this vulnerability lies in the ability for an attacker to potentially overwrite critical system files or perform unauthorized actions when Dmidecode is executed via Sudo or other privilege escalation methods.
Technical Details of CVE-2023-30630
Outlined here are specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability in Dmidecode before version 3.5 allows the -dump-bin option to overwrite local files, creating a security risk when used with elevated privileges.
Affected Systems and Versions
All versions of Dmidecode before 3.5 are affected by CVE-2023-30630.
Exploitation Mechanism
Exploiting this vulnerability involves utilizing the -dump-bin option in Dmidecode to overwrite local files, potentially leading to unauthorized system modifications.
Mitigation and Prevention
This section highlights measures to mitigate the risks associated with CVE-2023-30630.
Immediate Steps to Take
Users are advised to update Dmidecode to version 3.5 or newer to prevent the exploitation of this vulnerability. Avoid running Dmidecode with elevated privileges unless necessary.
Long-Term Security Practices
Implement least privilege principles and regularly review file permissions to minimize the impact of file overwriting vulnerabilities like CVE-2023-30630.
Patching and Updates
Stay informed about security patches and updates for Dmidecode to address known vulnerabilities and enhance system security.