CVE-2021-42613 : Security Advisory and Response
Learn about the CVE-2021-42613 vulnerability in Halibut 1.2 that allows attackers to execute a denial of service attack via a crafted text document. Find mitigation steps and prevention measures here.
Halibut 1.2 is vulnerable to a double free in cleanup_index in index.c, allowing attackers to execute a denial of service attack or potentially achieve other impacts through a maliciously crafted text document.
Understanding CVE-2021-42613
This CVE entry describes a specific vulnerability in Halibut 1.2.
What is CVE-2021-42613?
CVE-2021-42613 is a vulnerability in Halibut 1.2 that enables attackers to disrupt services or potentially cause other harm by exploiting a double free issue in cleanup_index in index.c.
The Impact of CVE-2021-42613
The exploitation of CVE-2021-42613 could lead to a denial of service attack or other unspecified negative consequences on affected systems.
Technical Details of CVE-2021-42613
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability stems from a double free in cleanup_index in index.c within Halibut 1.2.
Affected Systems and Versions
- Affected Product: Halibut 1.2
- Affected Version: n/a
Exploitation Mechanism
The vulnerability can be exploited by an attacker through a specially crafted text document.
Mitigation and Prevention
Protective measures against CVE-2021-42613 are necessary to secure systems and data.
Immediate Steps to Take
- Implement the recommended patches provided by the vendor or official sources.
- Monitor security advisories and updates for any new information.
Long-Term Security Practices
- Conduct regular security audits and penetration testing on the systems.
- Train staff on cybersecurity best practices to enhance overall awareness.
Patching and Updates
Regularly apply security patches and updates to Halibut 1.2 to address known vulnerabilities and strengthen the system's security.