CVE-2020-15472 : Vulnerability Insights and Analysis

In nDPI through 3.2, the H.323 dissector is vulnerable to a heap-based buffer over-read in ndpi_search_h323 in lib/protocols/h323.c, as demonstrated by a payload packet length that is too short.

Understanding CVE-2020-15472

This CVE identifies a vulnerability in the H.323 dissector in nDPI through version 3.2.

What is CVE-2020-15472?

The vulnerability in nDPI allows for a heap-based buffer over-read due to inadequate length validation in the H.323 dissector.

The Impact of CVE-2020-15472

The vulnerability could be exploited by an attacker to cause a denial of service or potentially execute arbitrary code on the affected system.

Technical Details of CVE-2020-15472

The technical aspects of the CVE provide insight into the specific details of the vulnerability.

Vulnerability Description

The vulnerability involves a heap-based buffer over-read in the ndpi_search_h323 function in lib/protocols/h323.c in nDPI.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions: n/a

Exploitation Mechanism

The vulnerability can be exploited by crafting a payload packet with a length that is too short, triggering the buffer over-read.

Mitigation and Prevention

Mitigation strategies and preventive measures to address CVE-2020-15472.

Immediate Steps to Take

Apply the security update provided by nDPI promptly.
Monitor for any unusual network activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that the latest security updates and patches are applied to the nDPI software to mitigate the vulnerability.