CVE-2017-17810 Denial of service in n/a
Remote attackers can cause a denial of service in Netwide Assembler by providing macro calls with incorrect argument counts, leading to a segmentation fault.
- 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-2017-17810?
CVE-2017-17810 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 21 Dec 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
In Netwide Assembler (NASM) 2.14rc0, there is a "SEGV on unknown address" that will cause a remote denial of service attack, because asm/preproc.c mishandles macro calls that have the wrong number of arguments.
Weakness: CWE-20
Which versions are affected by CVE-2017-17810?
It affects 2 products.
Products include Canonical Ubuntu Linux, Nasm Netwide Assembler.
How do I fix CVE-2017-17810?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-17810 being exploited?
There is no known exploitation of CVE-2017-17810 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-17810, GHSA-ghqm-jr2h-5qmm, UBUNTU-CVE-2017-17810.