CVE-2023-7093 : Security Advisory and Response

This CVE-2023-7093 was published on December 24, 2023, by VulDB. It affects KylinSoft kylin-system-updater versions up to 2.0.5.16-0k2.33 and falls under the category of OS Command Injection vulnerability (CWE-78).

Understanding CVE-2023-7093

This vulnerability found in KylinSoft kylin-system-updater allows for OS command injection, posing a critical threat. It involves the manipulation of the argument

SetDownloadspeedMax

within the component com.kylin.systemupgrade Service. The attack vector requires local access, and the exploit has been disclosed publicly.

What is CVE-2023-7093?

CVE-2023-7093 is a critical OS Command Injection vulnerability in KylinSoft kylin-system-updater, where malicious input can lead to command execution. The affected version is up to 2.0.5.16-0k2.33.

The Impact of CVE-2023-7093

This vulnerability allows an attacker to execute arbitrary commands on the target system, potentially leading to unauthorized access, data theft, or other malicious activities. It poses a significant risk to the security and integrity of affected systems.

Technical Details of CVE-2023-7093

The vulnerability arises from an unknown function in the file

/usr/share/kylin-system-updater/SystemUpdater/UpgradeStrategiesDbus.py

within the com.kylin.systemupgrade Service. By manipulating the argument

SetDownloadspeedMax

, an attacker can inject and execute malicious OS commands.

Vulnerability Description

The vulnerability enables attackers to inject and execute arbitrary OS commands by manipulating the

SetDownloadspeedMax

argument within the specified file and component.

Affected Systems and Versions

KylinSoft kylin-system-updater versions ranging from 2.0.5.16-0k2.0 to 2.0.5.16-0k2.33 are all affected by this vulnerability.

Exploitation Mechanism

To exploit CVE-2023-7093, an attacker would need local access to the target system. By crafting malicious input and leveraging the vulnerability in the system upgrade service, the attacker can execute arbitrary commands.

Mitigation and Prevention

To address CVE-2023-7093 and enhance system security, immediate steps and long-term security practices should be implemented.

Immediate Steps to Take

Update: Apply patches or updates provided by KylinSoft to fix the vulnerability.
Restrict Access: Limit access to vulnerable components to trusted users only.

Long-Term Security Practices

Regular Security Audits: Conduct regular security audits to identify and mitigate potential vulnerabilities.
Employee Training: Educate staff on the importance of security practices and safe computing habits.

Patching and Updates

Stay vigilant for security advisories from KylinSoft and promptly apply any patches or updates released to address CVE-2023-7093. Regularly monitor for security updates to ensure your systems are protected against known vulnerabilities.