CVE-2018-20545 Integer overflow in n/a
An integer overflow in libcaca's image loading function allows attackers to cause memory corruption, potentially leading to denial of service or code execution.
- 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-2018-20545?
CVE-2018-20545 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 28 Dec 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
There is an illegal WRITE memory access at common-image.c (function load_image) in libcaca 0.99.beta19 for 4bpp data.
Weakness: CWE-190
Which versions are affected by CVE-2018-20545?
It affects 4 products.
Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Libcaca Project Libcaca, Opensuse Leap.
How do I fix CVE-2018-20545?
Apply the vendor's patch.
Is CVE-2018-20545 being exploited?
There is no known exploitation of CVE-2018-20545 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-20545, GHSA-3638-4f56-qcf5, UBUNTU-CVE-2018-20545.