CVE-2021-30004 : Exploit Details and Defense Strategies
Learn about CVE-2021-30004, a vulnerability in wpa_supplicant and hostapd 2.9 that could lead to forging attacks due to mishandling of AlgorithmIdentifier parameters. Find out the impact, technical details, and mitigation steps.
A detailed overview of CVE-2021-30004 highlighting the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2021-30004
An insight into the security vulnerability regarding wpa_supplicant and hostapd 2.9 related to forging attacks due to mishandling of AlgorithmIdentifier parameters.
What is CVE-2021-30004?
CVE-2021-30004 refers to the potential forging attacks in wpa_supplicant and hostapd 2.9 due to the mishandling of AlgorithmIdentifier parameters in tls/pkcs1.c and tls/x509v3.c.
The Impact of CVE-2021-30004
The vulnerability could be exploited by attackers to perform forging attacks, jeopardizing the integrity of affected systems and leading to unauthorized access or data manipulation.
Technical Details of CVE-2021-30004
Exploring the specifics of the vulnerability including description, affected systems, versions, and exploitation methods.
Vulnerability Description
The vulnerability arises from the mishandling of AlgorithmIdentifier parameters in tls/pkcs1.c and tls/x509v3.c within wpa_supplicant and hostapd 2.9, enabling potential forging attacks.
Affected Systems and Versions
All systems and versions using wpa_supplicant and hostapd 2.9 are susceptible to this vulnerability, impacting the security of these implementations.
Exploitation Mechanism
Attackers could exploit this vulnerability by manipulating AlgorithmIdentifier parameters to carry out forging attacks, compromising the security of the affected systems.
Mitigation and Prevention
Guidelines to address and prevent the CVE-2021-30004 vulnerability through immediate actions and long-term security measures.
Immediate Steps to Take
It is recommended to apply relevant patches and updates provided by the vendor to mitigate the vulnerability. Additionally, monitoring for any unauthorized access is crucial to prevent exploitation.
Long-Term Security Practices
Implementing robust security measures, conducting regular security assessments, and staying informed about potential vulnerabilities are essential for long-term protection against security threats.
Patching and Updates
Regularly check for security advisories and updates from the vendor to ensure that the system is up-to-date with the latest patches and enhancements.