CVE-2019-12807 Memory corruption in ALZIP

High 7.8 Published 13 Aug 2019 Updated 4 Aug 2024

An attacker can execute arbitrary code by tricking a user into opening a maliciously crafted ISO archive file in Alzip.

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-2019-12807?

CVE-2019-12807 is a high-severity memory corruption vulnerability in ESTSOFT ALZIP, published on 13 Aug 2019. 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

Alzip 10.83 and earlier version contains a stack-based buffer overflow vulnerability, caused by improper bounds checking during the parsing of crafted ISO archive file format. By persuading a victim to open a specially-crafted ISO archive file, an attacker could execution arbitrary code.

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2019-12807?

It affects 1 product.

Products include Estsoft Alzip.

How do I fix CVE-2019-12807?

No fix has been published for CVE-2019-12807 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-2019-12807 being exploited?

There is no known exploitation of CVE-2019-12807 in the wild and no public exploit code.

Sources

Also known as GHSA-mvg2-vvvh-fw8f.