CVE-2017-16879 Memory corruption in n/a

High 7.8 Published Updated

Attackers can cause crashes or execute arbitrary code via a crafted terminfo file due to a stack-based buffer overflow in the ncurses library.

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-2017-16879?

CVE-2017-16879 is a high-severity memory corruption vulnerability in n/a, published on 22 Nov 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

Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic.

Weakness: CWE-787

Which versions are affected by CVE-2017-16879?

It affects 1 product.

Products include Invisible-Island Ncurses.

How do I fix CVE-2017-16879?

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-2017-16879 being exploited?

There is no known exploitation of CVE-2017-16879 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2017-16879, CLEANSTART-2026-LL25077, DEBIAN-CVE-2017-16879, GHSA-r8vx-h3vx-6wh2, UBUNTU-CVE-2017-16879.

Is CVE-2017-16879 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free