CVE-2018-5196 Alzip Stack Overflow Vulnerability

High 8.8 Published 21 Dec 2018 Updated 16 Sep 2024

Attackers can execute arbitrary code by tricking users into opening a malicious LZH archive in Alzip.

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-2018-5196?

CVE-2018-5196 is a high-severity memory corruption vulnerability in Estsoft Alzip, published on 21 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

Alzip 10.76.0.0 and earlier is vulnerable to a stack overflow caused by improper bounds checking. By persuading a victim to open a specially-crafted LZH archive file, a attacker could execute arbitrary code execution.

Weakness: CWE-787

Which versions are affected by CVE-2018-5196?

It affects 1 product.

Products include Estsoft Alzip.

How do I fix CVE-2018-5196?

No fix has been published for CVE-2018-5196 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-2018-5196 being exploited?

There is no known exploitation of CVE-2018-5196 in the wild and no public exploit code.

Sources

Also known as GHSA-35h6-9g28-r76q.