CVE-2017-9743 Memory corruption in n/a

High 7.8 Published 19 Jun 2017 Updated 5 Aug 2024

A buffer overflow in GNU Binutils allows remote attackers to cause a denial of service via a crafted binary file processed by objdump.

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-2017-9743?

CVE-2017-9743 is a high-severity memory corruption vulnerability in Gnu Binutils, published on 19 Jun 2017. 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 print_insn_score32 function in opcodes/score7-dis.c:552 in GNU Binutils 2.28 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by mishandling of this file during "objdump -D" execution.

Weakness: CWE-119

Which versions are affected by CVE-2017-9743?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2017-9743?

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-2017-9743 being exploited?

There is no known exploitation of CVE-2017-9743 in the wild and no public exploit code.

All Gnu Binutils vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-9743, GHSA-wfw3-r82j-3xp6, UBUNTU-CVE-2017-9743.