CVE-2023-5358 : Security Advisory and Response

This CVE-2023-5358 was assigned by DEVOLUTIONS and was published on November 1, 2023. It involves an improper access control issue in the Report log filters feature of Devolutions Server version 2023.2.10.0 and earlier. Attackers can exploit this vulnerability to retrieve logs from vaults or entries they are not authorized to access.

Understanding CVE-2023-5358

This section will provide an overview of the CVE-2023-5358 vulnerability, its impact, technical details, and mitigation steps.

What is CVE-2023-5358?

CVE-2023-5358 is a security vulnerability found in Devolutions Server versions up to 2023.2.10.0. It stems from improper access control in the Report log filters feature, enabling attackers to gain unauthorized access to logs through specific query parameters in the report request URL.

The Impact of CVE-2023-5358

The impact of CVE-2023-5358 is significant as it allows malicious actors to retrieve sensitive logs from vaults or entries they are not meant to access. This can lead to unauthorized exposure of confidential information and potentially compromise the security and integrity of the affected systems.

Technical Details of CVE-2023-5358

Let's dive into the technical aspects of CVE-2023-5358 to understand the vulnerability further.

Vulnerability Description

The vulnerability arises from improper access control mechanisms within the Report log filters feature of Devolutions Server versions prior to 2023.2.10.0. Attackers can exploit this flaw through specific query parameters in the report request URL, bypassing the intended access restrictions and retrieving unauthorized logs.

Affected Systems and Versions

Devolutions Server up to version 2023.2.10.0 is affected by CVE-2023-5358. Windows platforms running this particular version are susceptible to exploitation if proper remediation measures are not implemented.

Exploitation Mechanism

Attackers can exploit the improper access control issue in the Report log filters feature by manipulating the report request URL query parameters. By doing so, they can circumvent the access restrictions and retrieve logs from vaults or entries beyond their authorized access level.

Mitigation and Prevention

To address CVE-2023-5358 and enhance the security posture of Devolutions Server environments, the following mitigation and prevention strategies are recommended.

Immediate Steps to Take

Update Devolutions Server to a patched version that addresses the improper access control issue.
Restrict access to the affected feature until the patch is applied to prevent unauthorized log retrieval.
Monitor system logs and network traffic for any suspicious activity that might indicate exploitation attempts.

Long-Term Security Practices

Implement least privilege access controls to limit user permissions and reduce the attack surface.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities proactively.
Educate users and administrators on secure coding practices and the importance of access control in maintaining system integrity.

Patching and Updates

Devolutions has released a patch to address CVE-2023-5358. It is essential to promptly apply this patch to mitigate the improper access control issue in the Report log filters feature and safeguard the Devolutions Server environment against potential exploitation.