CVE-2017-12080 in Photo Station
Summary
by MITRE
An information exposure vulnerability in default HTTP configuration file in Synology Photo Station before 6.8.1-3458 and before 6.3-2970 allows remote attackers to obtain sensitive system information via .htaccess file.
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Analysis
by VulDB Data Team • 01/17/2023
The vulnerability identified as CVE-2017-12080 represents a critical information exposure flaw within Synology Photo Station's default HTTP configuration handling. This issue affects versions prior to 6.8.1-3458 and 6.3-2970, where the application's default .htaccess file configuration inadvertently exposes sensitive system information to remote attackers. The flaw resides in the web server's default configuration that fails to properly restrict access to internal system resources, creating an avenue for unauthorized information disclosure.
The technical implementation of this vulnerability stems from improper access control mechanisms within the HTTP server configuration. When the Photo Station application initializes its default .htaccess file, it fails to adequately restrict access to system files and directories that contain sensitive information. This misconfiguration allows remote attackers to directly access and retrieve system-level data through standard HTTP requests, bypassing normal authentication and authorization mechanisms. The vulnerability specifically leverages the default web server behavior where certain configuration files and system resources remain accessible without proper access controls.
The operational impact of this vulnerability extends beyond simple information disclosure, as the exposed system information can provide attackers with valuable insights for subsequent exploitation attempts. Remote attackers can obtain details about the underlying operating system, installed software versions, directory structures, and potentially user account information. This reconnaissance data significantly reduces the attack surface and can facilitate more sophisticated attacks such as privilege escalation, lateral movement, or targeted exploitation of other vulnerabilities. The exposure of system information through default configuration files represents a fundamental security misconfiguration that undermines the principle of least privilege.
From a cybersecurity perspective, this vulnerability aligns with CWE-200, which addresses information exposure, and demonstrates characteristics consistent with ATT&CK technique T1083, which involves discovering system information. The flaw represents a classic case of insecure default configurations, where security measures are not properly implemented in the default installation state. Organizations utilizing Synology Photo Station systems face significant risk from this vulnerability, as it provides attackers with readily available information that can be used to tailor more effective attacks against the affected systems.
The recommended mitigation strategy involves immediate upgrade to the patched versions 6.8.1-3458 or 6.3-2970, which address the default .htaccess file configuration issues. System administrators should also conduct comprehensive security audits of their web server configurations to identify and remediate similar misconfigurations across other applications and services. Additional protective measures include implementing proper access controls, monitoring for unauthorized access attempts, and conducting regular security assessments to ensure that default configurations do not expose sensitive system information. The vulnerability serves as a reminder of the critical importance of proper configuration management and the potential consequences of insecure default settings in web applications.