CVE-2017-9747 Memory corruption in n/a

High 7.8 Published 19 Jun 2017 Updated 5 Aug 2024

A buffer overflow in the BFD library allows attackers to cause denial of service or potentially execute code via crafted binary 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-2017-9747?

CVE-2017-9747 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 ieee_archive_p function in bfd/ieee.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, might allow 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. NOTE: this may be related to a compiler bug.

Weakness: CWE-119

Which versions are affected by CVE-2017-9747?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2017-9747?

Apply the vendor's patch.

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

Is CVE-2017-9747 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-9747 exists.

Public exploit code: 1 Exploit-DB entry.

All Gnu Binutils vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-9747, GHSA-256q-5j64-52vj, UBUNTU-CVE-2017-9747.