CVE-2017-7997 in Gespage
Summary
by MITRE
Multiple SQL injection vulnerabilities in Gespage before 7.4.9 allow remote attackers to execute arbitrary SQL commands via the (1) show_prn parameter to webapp/users/prnow.jsp or show_month parameter to (2) webapp/users/blhistory.jsp or (3) webapp/users/prhistory.jsp.
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Analysis
by VulDB Data Team • 11/25/2024
The CVE-2017-7997 vulnerability represents a critical SQL injection flaw in the Gespage application affecting versions prior to 7.4.9. This vulnerability exists within the web application's user management interfaces and specifically targets three distinct endpoints that handle print and billing history data. The flaw allows remote attackers to execute arbitrary SQL commands by manipulating parameters in the web requests, fundamentally compromising the database integrity and potentially leading to complete system compromise.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the Gespage application's web interfaces. Attackers can exploit the vulnerability through three primary vectors: the show_prn parameter in webapp/users/prnow.jsp, the show_month parameter in webapp/users/blhistory.jsp, and the show_month parameter in webapp/users/prhistory.jsp. These parameters are directly incorporated into SQL queries without proper escaping or parameterization, creating a classic SQL injection attack surface. The vulnerability aligns with CWE-89, which classifies SQL injection as a weakness that allows attackers to manipulate database queries through untrusted input.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to execute arbitrary database commands, potentially leading to unauthorized data modification, deletion, or extraction of sensitive information. Given that the vulnerability affects user management interfaces, attackers could potentially escalate privileges, access user accounts, or even gain administrative control over the application. The remote nature of the attack means that exploitation does not require physical access to the system, making it particularly dangerous in networked environments where the application may be exposed to the internet.
From a threat modeling perspective, this vulnerability maps to several ATT&CK techniques including T1071.005 Application Layer Protocol: Web Protocols, T1046 Network Service Scanning, and T1005 Data from Local System. The vulnerability could enable attackers to perform reconnaissance activities by extracting database schema information, followed by privilege escalation through administrative command execution. Organizations using Gespage versions prior to 7.4.9 should implement immediate mitigations including input validation, parameterized queries, and application firewalls to prevent exploitation. The most effective long-term solution involves upgrading to the patched version 7.4.9 or later, which implements proper input sanitization and parameterized query execution to prevent SQL injection attacks.