CVE-2018-20343 Memory corruption in n/a

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into loading a specially crafted map file in the Build Engine 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
None listed

What is CVE-2018-20343?

CVE-2018-20343 is a high-severity memory corruption vulnerability in n/a, published on 2 Mar 2020. 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

Multiple buffer overflow vulnerabilities have been found in Ken Silverman Build Engine 1. An attacker could craft a special map file to execute arbitrary code when the map file is loaded.

Weakness: CWE-120

Which versions are affected by CVE-2018-20343?

It affects 1 product.

Products include Advsys Build Engine.

How do I fix CVE-2018-20343?

No fix has been published for CVE-2018-20343 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-2018-20343 being exploited?

There is no known exploitation of CVE-2018-20343 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-7qpv-j474-3p24.

Is CVE-2018-20343 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free