CVE-2017-6458 Memory corruption in n/a

High 8.8 Published 27 Mar 2017 Updated 5 Aug 2024

Remote authenticated attackers can trigger buffer overflows in NTP via long variables, potentially leading to code execution or service disruption.

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

What is CVE-2017-6458?

CVE-2017-6458 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 27 Mar 2017. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

Weakness: CWE-119

Which versions are affected by CVE-2017-6458?

It affects 4 products.

Products include Apple Mac Os X, Hpe Hpux-Ntp, Ntp Ntp, Siemens Simatic Net Cp 443-1 Opc Ua Firmware.

How do I fix CVE-2017-6458?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2017-6458 being exploited?

There is no known exploitation of CVE-2017-6458 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-6458, GHSA-q29q-rg5m-wg5j, UBUNTU-CVE-2017-6458.