CVE-2018-8881 Memory corruption in n/a
A heap-based buffer over-read in NASM allows attackers to cause denial of service or disclose sensitive memory contents via crafted assembly files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-8881?
CVE-2018-8881 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 Mar 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
Netwide Assembler (NASM) 2.13.02rc2 has a heap-based buffer over-read in the function tokenize in asm/preproc.c, related to an unterminated string.
Weakness: CWE-125
Which versions are affected by CVE-2018-8881?
It affects 2 products.
Products include Canonical Ubuntu Linux, Nasm Netwide Assembler.
How do I fix CVE-2018-8881?
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-2018-8881 being exploited?
There is no known exploitation of CVE-2018-8881 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-8881, GHSA-x2vw-jwp7-h598, UBUNTU-CVE-2018-8881.