CVE-2018-20348 Denial of service in n/a

Medium 5.5 Published 22 Dec 2018 Updated 5 Aug 2024

Attackers can cause a denial of service via infinite recursion in libpff by providing a crafted file, affecting applications using this library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2018-20348?

CVE-2018-20348 is a medium-severity denial of service vulnerability in n/a, published on 22 Dec 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to libfdata_tree_get_node_value in libfdata_tree.c.

Weakness: CWE-835

Which versions are affected by CVE-2018-20348?

It affects 1 product.

Products include Libpff Project Libpff.

How do I fix CVE-2018-20348?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-20348 being exploited?

There is no known exploitation of CVE-2018-20348 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-20348, GHSA-8pp8-7wvw-f67f, UBUNTU-CVE-2018-20348.