Wecrm SQL Injection Scanner

Wecrm is a customer relationship management (CRM) software that is widely used by businesses for managing contacts, customer interactions, and sales processes. It is designed to streamline customer management and facilitate communication within a company. Wecrm is used by sales teams, customer service representatives, and marketing professionals to enhance customer engagement and track customer relationships. The software allows for the management of customer data, automation of sales processes, and creation of detailed reports and analytics. Businesses rely on Wecrm to improve efficiency, increase sales, and enhance customer satisfaction. As it integrates with various communication channels, it provides a unified platform for engaging with customers.

SQL injection is a critical vulnerability that allows attackers to interfere with the queries that an application makes to its database. When this vulnerability is present, it can potentially allow attackers to gain unauthorized access to sensitive information, modify the data within the database, or even execute administrative operations. SQL injection occurs when user inputs are incorrectly handled and concatenated into SQL statements. This type of vulnerability can lead to severe data breaches and affect an application's reliability, integrity, and availability. By exploiting SQL injection, attackers can also exploit backend connections and gain access to administrative accounts or other protected resources.

The Wecrm SMS DataList endpoint is vulnerable to SQL injection due to inadequate sanitization of input parameters, particularly in the 'SenderTypeId' field. An attacker can exploit this vulnerability by crafting a malicious SQL query that alters the execution logic. The query can embed injected code through an HTTP POST method, manipulating data retrieval. As indicated by the payload, certain functions like 'HASHBYTES' and 'fn_sqlvarbasetostr' convert strings for validation. Successful execution returns desired hashes, confirming the presence of the vulnerability. This vulnerability primarily affects the efficiency and security of data operations in Wecrm, allowing unauthorized data manipulation and access.

If exploited, SQL injection can allow attackers to execute arbitrary SQL queries against the database, potentially leading to unauthorized disclosure of sensitive information such as user data and passwords. This could further result in identity theft, financial loss, and significant reputational damage to the affected business. Exploitation could enable the attacker to delete or modify data, disrupting business operations, skewing reports, and analysis. Additionally, attackers might leverage this vulnerability to embed additional backdoors for persistent access to the system, leading to long-term system compromises. It may also allow attackers to escalate privileges within the application or access other interconnected systems.

REFERENCES

• https://peiqi.wgpsec.org/wiki/webapp/%E4%BB%BB%E6%88%91%E8%A1%8C/%E4%BB%BB%E6%88%91%E8%A1%8C%20CRM%20SmsDataList%20SQL%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E.html