CVE-2018-19543 Memory corruption in n/a
A heap-based buffer over-read in JasPer allows attackers to cause denial of service or disclose sensitive memory contents via crafted JP2 files.
- 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-2018-19543?
CVE-2018-19543 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 26 Nov 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
An issue was discovered in JasPer 2.0.14. There is a heap-based buffer over-read of size 8 in the function jp2_decode in libjasper/jp2/jp2_dec.c.
Weakness: CWE-125
Which versions are affected by CVE-2018-19543?
It affects 5 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Jasper Project Jasper, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server.
How do I fix CVE-2018-19543?
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-2018-19543 being exploited?
There is no known exploitation of CVE-2018-19543 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-v2x3-gcmp-cp36, UBUNTU-CVE-2018-19543.