CVE-2020-15476 Explained : Impact and Mitigation

In nDPI through 3.2, the Oracle protocol dissector has a heap-based buffer over-read in ndpi_search_oracle in lib/protocols/oracle.c.

Understanding CVE-2020-15476

This CVE involves a specific vulnerability in the nDPI software related to the Oracle protocol dissector.

What is CVE-2020-15476?

The vulnerability in nDPI through version 3.2 allows for a heap-based buffer over-read in the ndpi_search_oracle function within the oracle.c file.

The Impact of CVE-2020-15476

The vulnerability could potentially be exploited by an attacker to read sensitive information from the heap memory, leading to a security breach or information disclosure.

Technical Details of CVE-2020-15476

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability is a heap-based buffer over-read in the ndpi_search_oracle function within the lib/protocols/oracle.c file in nDPI through version 3.2.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by crafting specific Oracle protocol packets to trigger the heap-based buffer over-read, potentially leading to unauthorized access to sensitive data.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2020-15476:

Immediate Steps to Take

Apply the security update provided by the software 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 software and firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Ensure that you apply the latest security patches and updates for the nDPI software to address the vulnerability.