CVE-2018-19755 Integer overflow in n/a
An integer overflow in NASM's preprocessor leads to an out-of-bounds array access, causing a denial of service when processing malicious assembly 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-2018-19755?
CVE-2018-19755 is a medium-severity vulnerability in Nasm Netwide Assembler, published on 30 Nov 2018. 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
There is an illegal address access at asm/preproc.c (function: is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service (out-of-bounds array access) because a certain conversion can result in a negative integer.
Weakness: CWE-20
Which versions are affected by CVE-2018-19755?
It affects 1 product.
Products include Nasm Netwide Assembler.
How do I fix CVE-2018-19755?
Upgrade to a fixed version.
Is CVE-2018-19755 being exploited?
There is no known exploitation of CVE-2018-19755 in the wild and no public exploit code.
Other vulnerabilities in Nasm Netwide Assembler
Sources
Also known as DEBIAN-CVE-2018-19755, GHSA-cvx6-2fc8-p5cg, UBUNTU-CVE-2018-19755.