CVE-2017-14729 Memory corruption in n/a

High 7.8 Published 25 Sep 2017 Updated 17 Sep 2024

A heap-based buffer overflow in the BFD library allows remote attackers to cause denial of service or potentially execute code via a crafted ELF file.

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-2017-14729?

CVE-2017-14729 is a high-severity memory corruption vulnerability in Gnu Binutils, published on 25 Sep 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 *_get_synthetic_symtab functions in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, do not ensure a unique PLT entry for a symbol, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted ELF file, related to elf32-i386.c and elf64-x86-64.c.

Weakness: CWE-119

Which versions are affected by CVE-2017-14729?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2017-14729?

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-2017-14729 being exploited?

There is no known exploitation of CVE-2017-14729 in the wild and no public exploit code.

All Gnu Binutils vulnerabilities

Sources

Also known as DEBIAN-CVE-2017-14729, GHSA-c2f6-rwr3-2vm4.