CVE-2021-45387 : Vulnerability Insights and Analysis

CVE-2021-45387 relates to a Reachable Assertion vulnerability in tcpreplay 4.3.4 that affects the add_tree_ipv4() function in tree.c.

Understanding CVE-2021-45387

This CVE record describes a specific vulnerability in tcpreplay 4.3.4 that could lead to a Reachable Assertion issue.

What is CVE-2021-45387?

The vulnerability in tcpreplay 4.3.4 allows attackers to trigger a Reachable Assertion within the add_tree_ipv4() function, potentially leading to a denial of service or execution of arbitrary code.

The Impact of CVE-2021-45387

Exploitation of this vulnerability could result in denial of service or compromise of the affected system, posing risks to data integrity and system availability.

Technical Details of CVE-2021-45387

This section covers technical aspects of the CVE.

Vulnerability Description

The Reachable Assertion vulnerability in tcpreplay 4.3.4 occurs in the add_tree_ipv4() function of the tree.c file.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions Affected: 4.3.4

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the Reachable Assertion, potentially leading to system compromise or denial of service.

Mitigation and Prevention

Protect systems from CVE-2021-45387 using the following strategies.

Immediate Steps to Take

Apply vendor patches and updates promptly.
Monitor security advisories for relevant information.
Restrict network access to vulnerable systems.

Long-Term Security Practices

Conduct regular security assessments and audits.
Implement least privilege access controls.

Patching and Updates

Update tcpreplay to a patched version to mitigate the Reachable Assertion vulnerability.