CVE-2022-38258 : Security Advisory and Response
Learn about CVE-2022-38258, a critical local file inclusion vulnerability in D-Link DIR 819 v1.06 router, enabling DoS attacks and unauthorized data access. Find out about impacts, technical details, and mitigation steps.
A local file inclusion vulnerability in D-Link DIR 819 v1.06 allows attackers to cause a Denial of Service or access sensitive server information through manipulation of the getpage parameter.
Understanding CVE-2022-38258
This CVE describes a critical vulnerability in the D-Link DIR 819 router that can be exploited by attackers for DoS attacks and unauthorized access to server information.
What is CVE-2022-38258?
CVE-2022-38258 is a local file inclusion (LFI) vulnerability in the D-Link DIR 819 v1.06 router, enabling attackers to disrupt services or obtain sensitive data by manipulating the getpage parameter in a specifically crafted web request.
The Impact of CVE-2022-38258
This vulnerability can lead to Denial of Service (DoS) attacks, potentially causing service disruptions for users, as well as unauthorized access to confidential server information, posing a significant security risk.
Technical Details of CVE-2022-38258
The following technical details outline the vulnerability further:
Vulnerability Description
The LFI vulnerability in D-Link DIR 819 v1.06 allows threat actors to exploit the getpage parameter in web requests, leading to DoS attacks or unauthorized access to sensitive server data.
Affected Systems and Versions
The vulnerability affects D-Link DIR 819 routers running version 1.06.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the getpage parameter in a crafted web request, gaining unauthorized access to server information or causing a DoS condition.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-38258, consider the following steps:
Immediate Steps to Take
- Update the D-Link DIR 819 router to a patched version provided by the vendor.
- Implement network-level controls to restrict access to sensitive server components.
Long-Term Security Practices
- Regularly monitor security advisories from D-Link and apply updates promptly.
- Conduct security assessments to identify and address vulnerabilities proactively.
Patching and Updates
Ensure timely installation of firmware updates and security patches released by D-Link to address CVE-2022-38258 and other potential vulnerabilities.