CVE-2018-16403 Memory corruption in n/a

Medium 5.5 Published 3 Sep 2018 Updated 5 Aug 2024

A heap-based buffer over-read in libdw allows attackers to cause application crashes via crafted ELF files.

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-2018-16403?

CVE-2018-16403 is a medium-severity memory corruption vulnerability in n/a, published on 3 Sep 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

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.

Weakness: CWE-125

Which versions are affected by CVE-2018-16403?

It affects 1 product.

Products include Elfutils Project Elfutils.

How do I fix CVE-2018-16403?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-16403 being exploited?

There is no known exploitation of CVE-2018-16403 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2018-16403, DEBIAN-CVE-2018-16403, GHSA-4v8w-v3fq-rj46, UBUNTU-CVE-2018-16403.