CVE-2017-1000231 Use after free in n/a

Critical 9.8 Published 17 Nov 2017 Updated 5 Aug 2024

A double-free vulnerability in the ldns library allows attackers to cause denial of service or potentially execute arbitrary code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-1000231?

CVE-2017-1000231 is a critical use after free vulnerability in n/a, published on 17 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A double-free vulnerability in parse.c in ldns 1.7.0 have unspecified impact and attack vectors.

Weakness: CWE-415

Which versions are affected by CVE-2017-1000231?

It affects 1 product.

Linux distribution packages (1)

ldns openSUSE:Tumbleweed All versions 1.7.1-1.11

Products include Nlnetlabs Ldns.

How do I fix CVE-2017-1000231?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-1000231 being exploited?

There is no known exploitation of CVE-2017-1000231 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2017-1000231, AZL-10412, DEBIAN-CVE-2017-1000231, DLA-1182-1, GHSA-r9hw-j2qr-6m8c, UBUNTU-CVE-2017-1000231 and 1 more.