CVE-2024-6492 in Remote Desktop Manager
Summary
by MITRE • 07/16/2024
Exposure of Sensitive Information in edge browser session proxy feature in Devolutions Remote Desktop Manager 2024.2.14.0 and earlier on Windows allows an attacker to intercept proxy credentials via a specially crafted website.
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Analysis
by VulDB Data Team • 11/06/2024
The vulnerability identified as CVE-2024-6492 represents a critical exposure of sensitive information within the edge browser session proxy functionality of Devolutions Remote Desktop Manager version 2024.2.14.0 and earlier releases for Windows platforms. This flaw specifically affects the proxy credential handling mechanism within the application's browser integration features, creating a potential pathway for attackers to intercept and exploit authentication credentials. The vulnerability stems from insufficient validation and sanitization of proxy configuration data, particularly when the application processes web requests through its integrated edge browser component. Attackers can leverage this weakness by crafting malicious websites that trigger the proxy credential exposure during normal browsing operations.
The technical implementation of this vulnerability resides in the improper handling of proxy authentication tokens within the Remote Desktop Manager's edge browser session proxy feature. When users navigate to specific web pages, the application's browser component fails to adequately isolate or secure proxy credential information, allowing these sensitive details to be accessible through unintended code execution paths. This issue manifests as a failure in the application's security boundary enforcement, where proxy credentials are not properly encrypted or obfuscated during transmission or storage within the browser session context. The flaw essentially creates a credential leakage vector through which attacker-controlled web content can access proxy authentication information that should remain protected within the application's secure processing environment.
The operational impact of CVE-2024-6492 extends beyond simple credential exposure, as it can enable attackers to establish persistent access to network resources that require proxy authentication. This vulnerability specifically aligns with CWE-200, which addresses the exposure of sensitive information, and represents a significant risk for organizations relying on proxy-based network access controls. The attack surface includes scenarios where users may inadvertently visit malicious websites while using the Remote Desktop Manager application, particularly in environments where proxy authentication is required for internet access. This exposure can lead to unauthorized network access, data exfiltration, and potential lateral movement within compromised networks. The vulnerability is particularly concerning because it operates at the browser integration level, making it difficult for users to detect the compromise and potentially allowing for stealthy credential harvesting over extended periods.
Organizations should immediately implement mitigations including updating to Devolutions Remote Desktop Manager version 2024.2.15.0 or later, which contains the necessary patches to address the proxy credential exposure issue. Network administrators should also consider implementing additional monitoring for unusual proxy authentication patterns and credential access attempts. The vulnerability demonstrates characteristics consistent with ATT&CK technique T1566, specifically the use of malicious websites to harvest credentials, and T1071, which covers application layer protocol usage for command and control communications. Security teams should deploy network segmentation strategies to limit the potential impact of credential compromise and establish robust incident response procedures for detecting unauthorized proxy access attempts. Additionally, user education programs should emphasize the importance of avoiding untrusted websites while using applications with integrated browser components, particularly those handling sensitive authentication information.