CVE-2018-20536 Memory corruption in n/a

Medium 6.5 Published 28 Dec 2018 Updated 5 Aug 2024

A heap-based buffer over-read in libLAS allows attackers to cause a denial of service via crafted spatial reference data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-20536?

CVE-2018-20536 is a medium-severity memory corruption vulnerability in n/a, published on 28 Dec 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

There is a heap-based buffer over-read at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.

Weakness: CWE-125

Which versions are affected by CVE-2018-20536?

It affects 1 product.

Products include Liblas Liblas.

How do I fix CVE-2018-20536?

No fix has been published for CVE-2018-20536 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2018-20536 being exploited?

There is no known exploitation of CVE-2018-20536 in the wild and no public exploit code.

Sources

Also known as GHSA-qj8x-4mgw-r4p7, UBUNTU-CVE-2018-20536.