CVE-2018-14681 Memory corruption in n/a
A memory corruption vulnerability in libmspack allows attackers to cause a buffer overflow via malicious KWAJ files, potentially leading to code execution or crashes.
- 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-2018-14681?
CVE-2018-14681 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 28 Jul 2018. 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
An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.
Weakness: CWE-787
Which versions are affected by CVE-2018-14681?
It affects 8 products.
Products include Cabextract Libmspack, Cabextract Project Cabextract, Canonical Ubuntu Linux, Debian Debian Linux, Redhat Ansible Tower, Redhat Enterprise Linux Desktop and 2 more.
How do I fix CVE-2018-14681?
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-2018-14681 being exploited?
There is no known exploitation of CVE-2018-14681 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-14681, CLEANSTART-2026-PD54373, DEBIAN-CVE-2018-14681, GHSA-px34-hh2g-j67r, UBUNTU-CVE-2018-14681.