CVE-2017-9054 Memory corruption in n/a

Critical 9.8 Published 18 May 2017 Updated 5 Aug 2024

A heap-based buffer over-read in libdwarf allows attackers to cause denial of service or disclose sensitive memory contents via crafted DWARF data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-9054?

CVE-2017-9054 is a critical memory corruption vulnerability in n/a, published on 18 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a byte pointer was dereferenced just before it was checked for being in bounds, leading to a heap-based buffer over-read.

Weakness: CWE-125

Which versions are affected by CVE-2017-9054?

It affects 1 product.

Products include Libdwarf Project Libdwarf.

How do I fix CVE-2017-9054?

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-2017-9054 being exploited?

There is no known exploitation of CVE-2017-9054 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-9054, GHSA-h22p-jg8c-6gmf, UBUNTU-CVE-2017-9054.