CVE-2019-8343 Use after free in n/a
A use-after-free vulnerability in NASM allows attackers to execute arbitrary code or cause denial of service via crafted 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
- None listed
What is CVE-2019-8343?
CVE-2019-8343 is a high-severity use after free vulnerability in Nasm Netwide Assembler, published on 15 Feb 2019. 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
In Netwide Assembler (NASM) 2.14.02, there is a use-after-free in paste_tokens in asm/preproc.c.
Weakness: CWE-416
Which versions are affected by CVE-2019-8343?
It affects 1 product.
Products include Nasm Netwide Assembler.
How do I fix CVE-2019-8343?
No fix has been published for CVE-2019-8343 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-8343 being exploited?
There is no known exploitation of CVE-2019-8343 in the wild and no public exploit code.
Other vulnerabilities in Nasm Netwide Assembler
Sources
Also known as DEBIAN-CVE-2019-8343, GHSA-qcp9-cxhm-8cf6, UBUNTU-CVE-2019-8343.