CVE-2024-6743: Space Management System SQLi Vulnerability

CVE-2024-6743 Overview

CVE-2024-6743 is a SQL injection vulnerability in AguardNet's Space Management System. The application fails to validate user-supplied input before incorporating it into SQL queries. Unauthenticated remote attackers can inject arbitrary SQL commands to read, modify, and delete database contents. The flaw is classified as [CWE-89] Improper Neutralization of Special Elements used in an SQL Command. Exploitation requires no authentication, no user interaction, and can be triggered over the network.

Critical Impact
Unauthenticated attackers can execute arbitrary SQL commands to exfiltrate, alter, or destroy database contents, leading to full compromise of application data confidentiality, integrity, and availability.

Affected Products

AguardNet Space Management System (vulnerable build 2024-04-09-3302 and earlier)
Deployments exposing the affected web interface to untrusted networks
Installations that have not applied the vendor-supplied remediation

Discovery Timeline

2024-07-15 - CVE-2024-6743 published to NVD
2024-11-21 - Last updated in NVD database

Technical Details for CVE-2024-6743

Vulnerability Analysis

The vulnerability stems from improper neutralization of user-supplied input within SQL statements processed by the Space Management System. The application concatenates request parameters directly into SQL queries instead of using parameterized statements or prepared queries. An attacker submits crafted input through HTTP request parameters to alter the structure of the underlying SQL query.

Because the affected endpoints do not require authentication, exploitation is feasible from any network-reachable position. Successful injection grants the attacker the same database privileges as the application's service account. Attackers can enumerate schema metadata, read records from arbitrary tables, modify stored data, and delete database contents.

The EPSS score is 1.056% at the 77.8 percentile, indicating elevated exploitation likelihood compared to average CVEs. No public proof-of-concept has been catalogued in CISA KEV or ExploitDB at the time of analysis.

Root Cause

The root cause is missing input validation and a lack of parameterized SQL queries within the Space Management System's database access layer. User-controlled values reach the SQL interpreter without sanitization or type enforcement, allowing query syntax to be altered by injected metacharacters.

Attack Vector

The attack vector is network-based and unauthenticated. An attacker sends crafted HTTP requests containing SQL metacharacters such as single quotes, comments, and UNION clauses to vulnerable endpoints. The server evaluates the manipulated query and returns results or executes destructive operations against the database. No prior credentials, social engineering, or user interaction is required.

No verified public exploit code is available. See the TW-CERT Security Advisory for vendor-confirmed technical details.

Detection Methods for CVE-2024-6743

Indicators of Compromise

HTTP requests containing SQL metacharacters such as ', --, ;, UNION SELECT, or OR 1=1 targeting Space Management System endpoints
Database error messages returned in HTTP responses referencing SQL syntax exceptions
Unexpected INSERT, UPDATE, DELETE, or DROP statements in database audit logs originating from the application service account
Spikes in outbound database query volume or anomalously large response bodies from the application

Detection Strategies

Deploy web application firewall (WAF) signatures that identify SQL injection payloads against the application's URL paths and parameters
Enable database query logging and alert on queries that deviate from the application's known query fingerprints
Correlate web access logs with database audit logs to detect injection attempts followed by suspicious query execution

Monitoring Recommendations

Monitor authentication-free endpoints for repeated parameter tampering and high-entropy parameter values
Track failed and successful database operations performed by the application's service account for unusual table access patterns
Alert on schema discovery queries against information_schema, sys.tables, or equivalent metadata objects from the application context

How to Mitigate CVE-2024-6743

Immediate Actions Required

Restrict network exposure of the Space Management System to trusted networks or via VPN until a patched build is deployed
Apply the vendor's remediation guidance published in the TW-CERT Security Advisory
Rotate database credentials used by the application and audit recent database activity for unauthorized changes
Inventory all deployments to identify instances running build 2024-04-09-3302 or earlier

Patch Information

AguardNet has coordinated remediation through TW-CERT. Administrators should consult the TW-CERT Incident Report and contact the vendor directly to obtain the fixed release. No fixed version identifier is published in the NVD record at the time of writing.

Workarounds

Place the application behind a WAF configured to block SQL injection payloads on all parameters
Apply least-privilege principles to the database account used by the application, removing DROP, ALTER, and write permissions on tables that do not require them
Disable or firewall the affected endpoints if business operations permit until patching is complete

bash

# Example WAF rule (ModSecurity) to block common SQLi patterns against the application
SecRule REQUEST_URI "@beginsWith /space-management/" \
    "id:1006743,phase:2,deny,status:403,log,\
    msg:'CVE-2024-6743 SQLi attempt blocked',\
    chain"
    SecRule ARGS "@detectSQLi" \
        "t:none,t:urlDecodeUni,t:lowercase"