CVE-2018-18484 Denial of service in n/a

Medium 5.5 Published 18 Oct 2018 Updated 5 Aug 2024

Attackers can cause a denial of service via stack exhaustion in the C++ demangling functions of the GNU libiberty library.

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-2018-18484?

CVE-2018-18484 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 18 Oct 2018. 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

An issue was discovered in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31. Stack Exhaustion occurs in the C++ demangling functions provided by libiberty, and there is a stack consumption problem caused by recursive stack frames: cplus_demangle_type, d_bare_function_type, d_function_type.

Weakness: CWE-674

Which versions are affected by CVE-2018-18484?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2018-18484?

Upgrade to a fixed version.

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-2018-18484 being exploited?

There is no known exploitation of CVE-2018-18484 in the wild and no public exploit code.

All Gnu Binutils vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-18484, GHSA-cc39-h55x-vp6h, UBUNTU-CVE-2018-18484.