Discover the impact of CVE-2020-8890, a vulnerability in MISP versions prior to 2.4.121. Learn about the exploitation mechanism, affected systems, and mitigation steps.
An issue was discovered in MISP before 2.4.121. It mishandled time skew when trying to block a brute-force series of invalid requests.
Understanding CVE-2020-8890
This CVE entry describes a vulnerability in MISP that could be exploited due to mishandling time skew between the web server and the database.
What is CVE-2020-8890?
The vulnerability in MISP before version 2.4.121 arises from incorrect handling of time skew during the prevention of brute-force attacks with invalid requests.
The Impact of CVE-2020-8890
The mishandling of time skew in MISP could potentially allow threat actors to bypass security measures and launch successful brute-force attacks, compromising the system's integrity and confidentiality.
Technical Details of CVE-2020-8890
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability in MISP versions prior to 2.4.121 stems from the inaccurate management of time skew between the web server and the database, enabling the circumvention of security controls.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by leveraging the mishandled time skew to launch a series of invalid requests, potentially leading to successful brute-force attacks.
Mitigation and Prevention
Protecting systems from CVE-2020-8890 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates