CVE-2018-18584 Memory corruption in n/a
An out-of-bounds write in libmspack allows attackers to execute arbitrary code or cause denial of service via crafted CAB files.
- 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-2018-18584?
CVE-2018-18584 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 23 Oct 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
In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write.
Weakness: CWE-787
Which versions are affected by CVE-2018-18584?
It affects 7 products.
Products include Cabextract Project Cabextract, Canonical Ubuntu Linux, Debian Debian Linux, Libmspack Project Libmspack, Redhat Enterprise Linux, Starwindsoftware Starwind Virtual San and 1 more.
How do I fix CVE-2018-18584?
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-2018-18584 being exploited?
There is no known exploitation of CVE-2018-18584 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-18584, CLEANSTART-2023-RR06614, DEBIAN-CVE-2018-18584, GHSA-gp3p-9jm9-wrjc, UBUNTU-CVE-2018-18584.