CVE-2021-25314 : Exploit Details and Defense Strategies
Discover details about CVE-2021-25314, a vulnerability in hawk2 of SUSE Linux Enterprise High Availability that allows local attackers to escalate to root. Learn about the impact, affected systems, and mitigation steps.
This CVE-2021-25314 article provides detailed information about an 'Insecure file permissions' vulnerability in hawk2 of SUSE Linux Enterprise High Availability 12-SP3, 12-SP5, and 15-SP2 that allows local attackers to escalate to root.
Understanding CVE-2021-25314
This section covers the key details and impact of the CVE-2021-25314 vulnerability.
What is CVE-2021-25314?
CVE-2021-25314 involves the 'Creation of Temporary File With Insecure Permissions' vulnerability in hawk2 of SUSE Linux Enterprise High Availability versions, enabling local attackers to gain root privileges.
The Impact of CVE-2021-25314
The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It poses a significant risk to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-25314
This section delves into the technical specifics of the CVE-2021-25314 vulnerability.
Vulnerability Description
The vulnerability arises from insecure file permissions in hawk2, allowing unauthorized users to exploit the flaw and escalate privileges to root.
Affected Systems and Versions
SUSE Linux Enterprise High Availability 12-SP3, 12-SP5, and 15-SP2 are affected by this vulnerability, specifically in hawk2 versions prior to certain releases.
Exploitation Mechanism
Local attackers can exploit this vulnerability by leveraging the insecure file permissions in hawk2 to elevate their privileges to root level.
Mitigation and Prevention
This section outlines measures to mitigate and prevent the CVE-2021-25314 vulnerability.
Immediate Steps to Take
Immediately update the affected systems to versions of hawk2 that have addressed this vulnerability. Monitor system logs for any signs of unauthorized access.
Long-Term Security Practices
Implement a least privilege principle, conduct regular security audits, and provide security awareness training to prevent similar privilege escalation attacks.
Patching and Updates
Regularly apply security patches and updates provided by SUSE to ensure that the systems are protected against known vulnerabilities.