CVE-2007-1156 in Browser
Summary
by MITRE
JBrowser allows remote attackers to bypass authentication and access certain administrative capabilities via a direct request for _admin/.
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Analysis
by VulDB Data Team • 09/15/2025
The vulnerability identified as CVE-2007-1156 affects JBrowser, a web-based browser application that provides administrative interfaces for managing system configurations and user access. This flaw represents a critical authentication bypass vulnerability that allows remote attackers to gain unauthorized access to administrative functions without proper credentials. The vulnerability specifically manifests when attackers can directly request the _admin/ endpoint within the application's URL structure, bypassing the normal authentication mechanisms that should protect administrative capabilities.
This authentication bypass vulnerability stems from inadequate input validation and improper access control implementation within the JBrowser application framework. The flaw demonstrates a classic weakness in application security where the system fails to properly verify user credentials before granting access to privileged administrative functions. The vulnerability exists because the application does not adequately enforce authorization checks for the _admin/ endpoint, allowing any remote user to directly access administrative interfaces that should be restricted to authorized administrators only.
The operational impact of this vulnerability is severe and far-reaching, as it provides attackers with complete administrative control over the affected JBrowser instances. Once exploited, attackers can manipulate system configurations, modify user permissions, access sensitive data, and potentially establish persistent backdoors within the affected environment. This type of vulnerability directly violates fundamental security principles and can lead to complete system compromise, data breaches, and unauthorized access to critical infrastructure components. The remote nature of the attack means that adversaries do not require physical access or local network presence to exploit this vulnerability, making it particularly dangerous in networked environments.
From a cybersecurity perspective, this vulnerability aligns with CWE-287, which addresses improper authentication issues in software applications. The flaw also maps to several ATT&CK techniques including T1078 for valid accounts and T1566 for phishing attacks, as attackers can leverage this vulnerability to escalate privileges and gain unauthorized access to administrative systems. Organizations using JBrowser should immediately implement mitigations including restricting direct access to administrative endpoints, implementing proper access controls, and ensuring that authentication mechanisms are properly enforced. Network segmentation and firewall rules should be configured to limit access to administrative interfaces to trusted networks only, while regular security audits should verify that no unauthorized access paths exist within the application. The vulnerability underscores the critical importance of implementing defense-in-depth strategies and proper access control mechanisms in all web applications to prevent unauthorized administrative access.