CVE-2018-18483 Integer overflow in n/a

High 7.8 Published 18 Oct 2018 Updated 5 Aug 2024

Remote attackers can cause denial of service in GNU libiberty via crafted strings triggering integer overflow in get_count.

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-2018-18483?

CVE-2018-18483 is a high-severity 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

The get_count function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31, allows remote attackers to cause a denial of service (malloc called with the result of an integer-overflowing calculation) or possibly have unspecified other impact via a crafted string, as demonstrated by c++filt.

Weakness: CWE-190

Which versions are affected by CVE-2018-18483?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2018-18483?

Apply the vendor's patch.

Is CVE-2018-18483 being exploited?

There is no known exploitation of CVE-2018-18483 in the wild and no public exploit code.

All Gnu Binutils vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-18483, GHSA-92pq-82vg-3v28, UBUNTU-CVE-2018-18483.