CVE-2018-15909 Memory corruption in n/a
Attackers can execute arbitrary code or cause denial of service via crafted PostScript files exploiting a type confusion in Ghostscript.
- 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-2018-15909?
CVE-2018-15909 is a high-severity memory corruption vulnerability in Artifex Ghostscript, published on 27 Aug 2018. 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 Artifex Ghostscript 9.23 before 2018-08-24, a type confusion using the .shfill operator could be used by attackers able to supply crafted PostScript files to crash the interpreter or potentially execute code.
Weakness: CWE-704
Which versions are affected by CVE-2018-15909?
It affects 11 products.
Products include Artifex Ghostscript, Artifex Gpl Ghostscript, Canonical Ubuntu Linux, Debian Debian Linux, Pulsesecure Pulse Connect Secure, Redhat Enterprise Linux Desktop and 5 more.
How do I fix CVE-2018-15909?
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-2018-15909 being exploited?
There is no known exploitation of CVE-2018-15909 in the wild and no public exploit code.
Other vulnerabilities in Artifex Ghostscript
Sources
Also known as ALPINE-CVE-2018-15909, DEBIAN-CVE-2018-15909, GHSA-cxqh-5r8h-v8xv, UBUNTU-CVE-2018-15909.