CVE-2017-13731 Denial of service in n/a
An illegal address access in ncurses allows remote attackers to cause a denial of service via crafted terminal capabilities.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-13731?
CVE-2017-13731 is a medium-severity denial of service vulnerability in n/a, published on 29 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0 that will lead to a remote denial of service attack.
Weakness: CWE-119
Which versions are affected by CVE-2017-13731?
It affects 1 product.
Products include Invisible-Island Ncurses.
How do I fix CVE-2017-13731?
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-2017-13731 being exploited?
There is no known exploitation of CVE-2017-13731 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2017-13731, DEBIAN-CVE-2017-13731, GHSA-f89p-gvj2-883g, UBUNTU-CVE-2017-13731.