CVE-2020-15475 Use after free in n/a

Critical 9.8 Published 1 Jul 2020 Updated 4 Aug 2024

A use-after-free vulnerability in the nDPI library allows attackers to potentially execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2020-15475?

CVE-2020-15475 is a critical use after free vulnerability in n/a, published on 1 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In nDPI through 3.2, ndpi_reset_packet_line_info in lib/ndpi_main.c omits certain reinitialization, leading to a use-after-free.

Weakness: CWE-416

Which versions are affected by CVE-2020-15475?

It affects 1 product.

Products include Ntop Ndpi.

How do I fix CVE-2020-15475?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2020-15475 being exploited?

There is no known exploitation of CVE-2020-15475 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2020-15475, GHSA-g9xv-hppw-h7cx.