CVE-2018-19662 Denial of service in n/a

High 8.1 Published Updated

A buffer over-read in libsndfile allows attackers to cause a denial of service via crafted audio files.

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
Available

What is CVE-2018-19662?

CVE-2018-19662 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 29 Nov 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

An issue was discovered in libsndfile 1.0.28. There is a buffer over-read in the function i2alaw_array in alaw.c that will lead to a denial of service.

Weakness: CWE-125

Which versions are affected by CVE-2018-19662?

It affects 2 products.

Linux distribution packages (16)
libsndfile Red Hat:enterprise_linux:7::clientAll versions0:1.0.25-12.el7
libsndfile-debuginfo Red Hat:enterprise_linux:7::clientAll versions0:1.0.25-12.el7
libsndfile-devel Red Hat:enterprise_linux:7::clientAll versions0:1.0.25-12.el7
libsndfile-utils Red Hat:enterprise_linux:7::clientAll versions0:1.0.25-12.el7
libsndfile Red Hat:enterprise_linux:7::computenodeAll versions0:1.0.25-12.el7
libsndfile-debuginfo Red Hat:enterprise_linux:7::computenodeAll versions0:1.0.25-12.el7
libsndfile-devel Red Hat:enterprise_linux:7::computenodeAll versions0:1.0.25-12.el7
libsndfile-utils Red Hat:enterprise_linux:7::computenodeAll versions0:1.0.25-12.el7
libsndfile Red Hat:enterprise_linux:7::serverAll versions0:1.0.25-12.el7
libsndfile-debuginfo Red Hat:enterprise_linux:7::serverAll versions0:1.0.25-12.el7
libsndfile-devel Red Hat:enterprise_linux:7::serverAll versions0:1.0.25-12.el7
libsndfile-utils Red Hat:enterprise_linux:7::serverAll versions0:1.0.25-12.el7
libsndfile Red Hat:enterprise_linux:7::workstationAll versions0:1.0.25-12.el7
libsndfile-debuginfo Red Hat:enterprise_linux:7::workstationAll versions0:1.0.25-12.el7
libsndfile-devel Red Hat:enterprise_linux:7::workstationAll versions0:1.0.25-12.el7
libsndfile-utils Red Hat:enterprise_linux:7::workstationAll versions0:1.0.25-12.el7

Products include Debian Debian Linux, Libsndfile Project Libsndfile.

How do I fix CVE-2018-19662?

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-2018-19662 being exploited?

There is no known exploitation of CVE-2018-19662 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2018-19662, DEBIAN-CVE-2018-19662, GHSA-2pw9-xw4m-4w44, RHSA-2020:3922, UBUNTU-CVE-2018-19662.

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