CVE-2023-45252 in HuddlyCameraService
Summary
by MITRE • 12/01/2023
DLL Hijacking vulnerability in Huddly HuddlyCameraService before version 8.0.7, not including version 7.99, due to the installation of the service in a directory that grants write privileges to standard users, allows attackers to manipulate files, execute arbitrary code, and escalate privileges.
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Analysis
by VulDB Data Team • 02/09/2026
The CVE-2023-45252 vulnerability represents a critical dll hijacking flaw in the Huddly HuddlyCameraService software affecting versions prior to 8.0.7, excluding version 7.99. This vulnerability stems from poor privilege management during the service installation process where the service is deployed in a directory that permits write access from standard user accounts. The fundamental technical flaw lies in the service's installation methodology which fails to implement proper access controls, creating an attack surface that adversaries can exploit to manipulate the software's execution flow. The vulnerability is categorized under CWE-426 as an Untrusted Search Path, where the system searches for dynamic link libraries in directories that are writable by unprivileged users. This weakness directly enables attackers to place malicious dll files in the search path, causing the legitimate service to load and execute attacker-controlled code.
The operational impact of this vulnerability extends beyond simple code execution to include privilege escalation capabilities that can fundamentally compromise system security. When an attacker successfully places a malicious dll in the writable directory, the HuddlyCameraService process will load this rogue library during normal operation, allowing for arbitrary code execution with the privileges of the service account. This typically translates to elevated privileges that can be leveraged to access sensitive system resources, modify critical files, or establish persistent backdoors. The vulnerability affects the service's integrity and availability, as attackers can manipulate the service behavior to disrupt normal camera operations or gain unauthorized access to system resources. The attack vector is particularly concerning because it requires minimal user interaction beyond the initial system access, making it an attractive target for automated exploitation campaigns.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1574.002 which describes DLL Side-Loading, where adversaries abuse legitimate system processes to load malicious code. The vulnerability also maps to ATT&CK technique T1068 which covers Exploitation for Privilege Escalation, as the compromised service can be leveraged to gain elevated system privileges. Security professionals should recognize this issue as part of a broader class of vulnerabilities related to insecure service installations and improper privilege separation. The vulnerability demonstrates the importance of following the principle of least privilege in service deployments and implementing proper file system permissions. Organizations should consider the implications for their security posture, particularly in environments where standard users have access to systems running vulnerable software versions. The impact is particularly severe in enterprise environments where camera services might run with elevated privileges or access sensitive operational data.
Mitigation strategies should focus on immediate remediation through software updates to version 8.0.7 or later, which addresses the directory permission issues. Additionally, security administrators should implement proper access controls on the service installation directories, ensuring that only authorized users or system accounts have write privileges. The recommended approach includes conducting privilege audits of service installations and implementing application whitelisting policies to prevent unauthorized dll loading. System hardening measures should also include monitoring for suspicious file creation in service directories and implementing process monitoring to detect potential dll hijacking attempts. Organizations should also consider network segmentation and privileged access management to limit the potential impact of successful exploitation. Regular vulnerability assessments should be conducted to identify similar permission issues in other installed services and applications, as this vulnerability pattern is not unique to Huddly products and represents a common security misconfiguration in enterprise software deployments.