Learn about CVE-2022-23342, a vulnerability in Hyland OnBase Application Server allowing attackers to enumerate valid users via crafted login requests. Find mitigation steps and update recommendations.
This article provides an overview of CVE-2022-23342, a username enumeration vulnerability in the Hyland OnBase Application Server.
Understanding CVE-2022-23342
This CVE identifies a security flaw in the Hyland OnBase Application Server that allows an attacker to enumerate valid users through a specific endpoint.
What is CVE-2022-23342?
The Hyland OnBase Application Server versions before 20.3.58.1000 and OnBase releases 21.1.1.1000 through 21.1.15.1000 are affected by a username enumeration vulnerability. By sending a POST login request to the /mobilebroker/ServiceToBroker.svc/Json/Connect endpoint, an attacker can extract valid user information from the system.
The Impact of CVE-2022-23342
This vulnerability enables malicious actors to identify valid users within the system by analyzing responses to login requests, potentially leading to user enumeration against Active Directory integrated systems.
Technical Details of CVE-2022-23342
Below are the technical details regarding the CVE.
Vulnerability Description
The vulnerability in the Hyland OnBase Application Server allows attackers to extract valid user information by exploiting the response patterns of login requests.
Affected Systems and Versions
Hyland OnBase Application Server versions prior to 20.3.58.1000 and OnBase releases 21.1.1.1000 through 21.1.15.1000 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can perform user enumeration by sending a crafted POST login request to the /mobilebroker/ServiceToBroker.svc/Json/Connect endpoint.
Mitigation and Prevention
To address CVE-2022-23342, users and administrators can take the following steps:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security advisories and updates released by Hyland to ensure that the system is protected against known vulnerabilities.