CVE-2017-15056 Null dereference in n/a

High 7.8 Published 6 Oct 2017 Updated 5 Aug 2024

A crafted binary file can cause a denial of service via invalid pointer read in UPX, affecting users processing untrusted executables.

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-2017-15056?

CVE-2017-15056 is a high-severity vulnerability in n/a, published on 6 Oct 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

p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by an Invalid Pointer Read in PackLinuxElf64::unpack().

Weakness: CWE-476

Which versions are affected by CVE-2017-15056?

It affects 1 product.

Products include Upx Upx.

How do I fix CVE-2017-15056?

Upgrade to a fixed version.

Is CVE-2017-15056 being exploited?

There is no known exploitation of CVE-2017-15056 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-15056, GHSA-hjmv-hqm5-66xp, MGASA-2017-0389, UBUNTU-CVE-2017-15056.