CVE-2019-7147 Memory corruption in n/a
A crafted assembly input can cause a segmentation fault in Netwide Assembler, leading to denial of service.
- 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-2019-7147?
CVE-2019-7147 is a medium-severity memory corruption vulnerability in Nasm Netwide Assembler, published on 29 Jan 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
A buffer over-read exists in the function crc64ib in crc64.c in nasmlib in Netwide Assembler (NASM) 2.14rc16. A crafted asm input can cause segmentation faults, leading to denial-of-service.
Weakness: CWE-125
Which versions are affected by CVE-2019-7147?
It affects 1 product.
Products include Nasm Netwide Assembler.
How do I fix CVE-2019-7147?
No fix has been published for CVE-2019-7147 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-7147 being exploited?
There is no known exploitation of CVE-2019-7147 in the wild and no public exploit code.
Other vulnerabilities in Nasm Netwide Assembler
Sources
Also known as GHSA-7gm6-pf4p-5rpc, UBUNTU-CVE-2019-7147.