CVE-2022-0530 Memory corruption in unzip

Medium 5.5 Published Updated

A heap out-of-bounds write in Unzip allows attackers to execute arbitrary code or cause a crash via a crafted zip file.

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
Available

What is CVE-2022-0530?

CVE-2022-0530 is a medium-severity memory corruption vulnerability in Apple Mac Os X, published on 9 Feb 2022. 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

A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Which versions are affected by CVE-2022-0530?

It affects 6 products.

Products include Apple Mac Os X, Apple Macos, Debian Debian Linux, Fedoraproject Fedora, Redhat Enterprise Linux, Unzip Project Unzip.

How do I fix CVE-2022-0530?

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-2022-0530 being exploited?

There is no known exploitation of CVE-2022-0530 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as ALPINE-CVE-2022-0530, AZL-35344, AZL-8533, CLSA-2024-1716917767, DEBIAN-CVE-2022-0530, GHSA-8p3j-58qw-jhp4 and 1 more.

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