CVE-2019-13232 Denial of service in n/a

Low 3.3 Published 4 Jul 2019 Updated 4 Aug 2024

Attackers can cause resource exhaustion and denial of service by crafting ZIP files with overlapping entries, affecting users of Info-ZIP UnZip.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2019-13232?

CVE-2019-13232 is a low-severity denial of service vulnerability in Debian Debian Linux, published on 4 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a "better zip bomb" issue.

Weakness: CWE-400

Which versions are affected by CVE-2019-13232?

It affects 2 products.

Linux distribution packages (15)

`unzip` Red Hat:enterprise_linux:7::client	All versions	`0:6.0-21.el7`
`unzip-debuginfo` Red Hat:enterprise_linux:7::client	All versions	`0:6.0-21.el7`
`unzip` Red Hat:enterprise_linux:7::computenode	All versions	`0:6.0-21.el7`
`unzip-debuginfo` Red Hat:enterprise_linux:7::computenode	All versions	`0:6.0-21.el7`
`unzip` Red Hat:enterprise_linux:7::server	All versions	`0:6.0-21.el7`
`unzip-debuginfo` Red Hat:enterprise_linux:7::server	All versions	`0:6.0-21.el7`
`unzip` Red Hat:enterprise_linux:7::workstation	All versions	`0:6.0-21.el7`
`unzip-debuginfo` Red Hat:enterprise_linux:7::workstation	All versions	`0:6.0-21.el7`
`unzip` Red Hat:enterprise_linux:8::baseos	All versions	`0:6.0-43.el8`
`unzip-debuginfo` Red Hat:enterprise_linux:8::baseos	All versions	`0:6.0-43.el8`
`unzip-debugsource` Red Hat:enterprise_linux:8::baseos	All versions	`0:6.0-43.el8`
`unzip` Red Hat:rhel_eus:7.7::computenode	All versions	`0:6.0-20.el7_7.1`
`unzip-debuginfo` Red Hat:rhel_eus:7.7::computenode	All versions	`0:6.0-20.el7_7.1`
`unzip` Red Hat:rhel_eus:7.7::server	All versions	`0:6.0-20.el7_7.1`
`unzip-debuginfo` Red Hat:rhel_eus:7.7::server	All versions	`0:6.0-20.el7_7.1`

Products include Debian Debian Linux, Unzip Project Unzip.

How do I fix CVE-2019-13232?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-13232 being exploited?

There is no known exploitation of CVE-2019-13232 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2019-13232, AZL-35341, AZL-6943, DEBIAN-CVE-2019-13232, DLA-1846-1, GHSA-8vm7-647w-p9g4 and 5 more.