CVE-2018-8770 in Bridge Cobub Razor
Summary
by MITRE
Physical path Leakage exists in Western Bridge Cobub Razor 0.8.0 via generate.php, controllers/getConfigTest.php, controllers/getUpdateTest.php, controllers/postclientdataTest.php, controllers/posterrorTest.php, controllers/posteventTest.php, controllers/posttagTest.php, controllers/postusinglogTest.php, fixtures/Controller_fixt.php, fixtures/Controller_fixt2.php, fixtures/view_fixt2.php, libs/ipTest.php, or models/commonDbfix.php in tests/.
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Analysis
by VulDB Data Team • 04/02/2025
The vulnerability identified as CVE-2018-8770 represents a critical physical path leakage issue affecting Western Bridge Cobub Razor version 0.8.0. This security flaw manifests through multiple test files and controller scripts within the application's codebase, creating potential exposure of sensitive server path information to unauthorized users. The affected components include generate.php along with several controller test files such as getConfigTest.php, getUpdateTest.php, and various post*Test.php files, as well as fixture and library test files that handle client data processing and database operations.
This vulnerability stems from improper handling of file paths and directory structures within the testing framework of the Cobub Razor analytics platform. When these test files are accessed or executed, they inadvertently reveal the physical directory structure of the server hosting the application. The flaw operates by allowing attackers to obtain detailed information about the server's file system layout through direct access to test scripts that contain debugging information or path references. This type of information disclosure can provide attackers with crucial insights into the application's architecture and potentially expose sensitive system configurations that could be leveraged for further exploitation.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a foundation for more sophisticated attacks within the ATT&CK framework's reconnaissance phase. Attackers can use the leaked path information to craft targeted attacks against specific file locations, potentially leading to privilege escalation, remote code execution, or data theft. The vulnerability affects the application's testing infrastructure rather than production code, but this exposure can still compromise the entire system's security posture. According to CWE classification, this represents a CWE-200 Information Disclosure vulnerability, specifically related to the exposure of sensitive system information through improper error handling or debug output mechanisms. The presence of these test files in production environments indicates a critical misconfiguration that violates security best practices and could be exploited by threat actors to gain deeper insights into the application's internal workings.
Mitigation strategies for CVE-2018-8770 require immediate removal or secure handling of test files within the production environment. Organizations should implement comprehensive file access controls and ensure that testing components are not accessible to end users or external parties. The recommended approach involves deploying proper input validation and output sanitization mechanisms to prevent path traversal attacks, while also establishing robust access control policies that restrict access to sensitive directories. Security teams should conduct thorough code reviews to identify and eliminate similar path leakage vulnerabilities across all application components, particularly focusing on development and testing environments that may inadvertently expose system information. Additionally, implementing proper logging and monitoring of file access patterns can help detect unauthorized access attempts to potentially sensitive system locations, thereby providing early warning capabilities against exploitation attempts targeting these path disclosure vulnerabilities.