CVE-2022-45703 Memory corruption in n/a

High 7.8 Published 22 Aug 2023 Updated 3 Oct 2024

A heap buffer overflow in binutils readelf allows attackers to cause denial of service or potentially execute code via crafted files.

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-2022-45703?

CVE-2022-45703 is a high-severity memory corruption vulnerability in Gnu Binutils, published on 22 Aug 2023. 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

Heap buffer overflow vulnerability in binutils readelf before 2.40 via function display_debug_section in file readelf.c.

Weakness: CWE-787

Which versions are affected by CVE-2022-45703?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2022-45703?

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-2022-45703 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45703 exists.

All Gnu Binutils vulnerabilities

Sources

Also known as BELL-CVE-2022-45703, CLSA-2023-1695752243, CLSA-2023-1695752345, DEBIAN-CVE-2022-45703, GHSA-4m6w-8h73-rv8p, UBUNTU-CVE-2022-45703.