CVE-2023-3578 Scanner

The DedeCMS is a widely used content management system predominantly found on websites for content creators and businesses needing a robust online presence. Utilized across various industries, DedeCMS helps users manage articles, media, and web presence efficiently. Its flexibility and open-source nature make it popular among developers aiming to customize web applications as per specific needs. The platform is primarily used by web developers and digital marketers to streamline content publishing and management. DedeCMS’s adaptability to various plugins and modules allows it to fit diverse business requirements. As a holistic CMS solution, it boosts productivity by simplifying content management tasks.

The Server-Side Request Forgery (SSRF) vulnerability allows attackers to make requests to unintended locations or read sensitive server-side files by manipulating a target service's parameters. This particular vulnerability in DedeCMS could let an attacker generate requests from the server to external or internal systems, often bypassing network controls. SSRF vulnerabilities pose significant security risks, potentially leading to sensitive data exposure or unauthorized actions within the network. Due to their impactful nature, SSRFs are a priority for security teams to patch in applications like DedeCMS. Addressing such vulnerabilities is crucial for maintaining the integrity and confidentiality of internal resources.

Technical details reveal that the SSRF vulnerability in DedeCMS exploits the 'rssurl' parameter in the 'co_do.php' file. This parameter, if manipulated, can direct the server to make unauthorized requests to attacker-specified URLs. By injecting specific interaction domains, attackers can control server responses and data flows, furthering their reach into sensitive environments. The lack of proper validation for user input, particularly in HTTP parameters, contributes significantly to the exploitability of this flaw. Correct implementation of input validations can mitigate such vulnerabilities.

Exploitation of this SSRF vulnerability can lead to critical impacts such as unauthorized data access, exposure of hidden server resources, and possible full server compromise. Attackers can potentially escalate their access by interfacing with privileged internal systems not exposed to external users. Such vulnerabilities, if exploited, often result in data breaches, operational disruptions, and a potential threat to business continuity. Organizations using vulnerable systems may also face regulatory penalties and reputational damage. Swift remediation is essential to prevent such risks.

REFERENCES

• https://github.com/nightcloudos/cve/blob/main/SSRF.md
• https://nvd.nist.gov/vuln/detail/CVE-2023-3578