CVE-2018-8754 Memory corruption in n/a

Medium 5.5 Published 18 Mar 2018 Updated 5 Aug 2024

An out-of-bounds read in libevt allows attackers to cause denial of service or potentially execute code via crafted event logs.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2018-8754?

CVE-2018-8754 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 18 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The libevt_record_values_read_event() function in libevt_record_values.c in libevt before 2018-03-17 does not properly check for out-of-bounds values of user SID data size, strings size, or data size. NOTE: the vendor has disputed this as described in libyal/libevt issue 5 on GitHub

Weakness: CWE-125

Which versions are affected by CVE-2018-8754?

It affects 2 products.

Products include Debian Debian Linux, Libevt Project Libevt.

How do I fix CVE-2018-8754?

Apply the vendor's patch.

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

Is CVE-2018-8754 being exploited?

There is no known exploitation of CVE-2018-8754 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-8754, DSA-4160-1, GHSA-hcvj-rqwj-4h7f, UBUNTU-CVE-2018-8754.