CVE-2020-6097 : Vulnerability Insights and Analysis
Learn about CVE-2020-6097, a high-severity denial of service vulnerability in atftpd daemon. Find out the impact, affected systems, exploitation details, and mitigation steps.
An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert() call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger this vulnerability.
Understanding CVE-2020-6097
This CVE involves a denial of service vulnerability in the atftpd daemon of atftp 0.7.git20120829-3.1+b1.
What is CVE-2020-6097?
The vulnerability allows an attacker to exploit the atftpd daemon through a specific sequence of RRQ-Multicast requests, leading to a denial-of-service condition.
The Impact of CVE-2020-6097
- CVSS Base Score: 7.5 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Availability Impact: High
- Privileges Required: None
- Scope: Unchanged
- Vulnerability Type: Reachable Assertion (CWE-617)
Technical Details of CVE-2020-6097
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in atftpd allows an attacker to trigger a denial of service by sending a specially crafted sequence of RRQ-Multicast requests.
Affected Systems and Versions
- Affected Product: atftpd
- Affected Version: atftp 0.7.git20120829-3.1+b1
Exploitation Mechanism
The vulnerability can be exploited by sending a sequence of malicious packets to the atftpd daemon.
Mitigation and Prevention
Protect your systems from CVE-2020-6097 with the following steps:
Immediate Steps to Take
- Apply the security update provided by the vendor.
- Monitor network traffic for any signs of exploitation.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate risks.
Patching and Updates
- Stay informed about security advisories and updates from the vendor.
- Apply patches promptly to secure your systems against potential threats.