CVE-2019-7228 : Security Advisory and Response
Learn about CVE-2019-7228 affecting ABB IDAL HTTP server. Discover the impact, technical details, and mitigation steps for this uncontrolled format string vulnerability.
The ABB IDAL HTTP server is vulnerable to uncontrolled format string attacks during the authentication process, leading to server crashes and potential memory content leakage.
Understanding CVE-2019-7228
The vulnerability in the ABB IDAL HTTP server allows attackers to crash the server or retrieve memory content from the stack by manipulating format strings in usernames or cookies.
What is CVE-2019-7228?
The ABB IDAL HTTP server mishandles format strings during authentication. By using specific format strings in usernames or cookies, attackers can cause the server to crash or extract memory content from the stack.
The Impact of CVE-2019-7228
- Attackers can crash the ABB IDAL HTTP server by using malicious format strings in usernames or cookies.
- Memory content from the stack can be retrieved and logged, potentially exposing sensitive information.
Technical Details of CVE-2019-7228
The technical aspects of the vulnerability in the ABB IDAL HTTP server.
Vulnerability Description
The vulnerability arises from the mishandling of format strings during the authentication process, allowing attackers to exploit this weakness.
Affected Systems and Versions
- Product: ABB IDAL HTTP server
- Vendor: ABB
- Versions affected: All versions
Exploitation Mechanism
Attackers can exploit the vulnerability by using specific format strings in usernames or cookies during the authentication process.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-7228.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to fix the vulnerability.
- Monitor network traffic for any signs of exploitation.
- Restrict access to the affected server to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent known vulnerabilities.
- Conduct security training for personnel to recognize and respond to potential threats.
Patching and Updates
- ABB may release patches or updates to address the vulnerability. Stay informed about security advisories and apply patches promptly.