CVE-2018-20763 Memory corruption in n/a
An out-of-bounds write in GPAC's text import allows attackers to execute arbitrary code or cause denial of service via crafted 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-2018-20763?
CVE-2018-20763 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 6 Feb 2019. 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 GPAC 0.7.1 and earlier, gf_text_get_utf8_line in media_tools/text_import.c in libgpac_static.a allows an out-of-bounds write because of missing szLineConv bounds checking.
Weakness: CWE-787
Which versions are affected by CVE-2018-20763?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Gpac Project Gpac.
How do I fix CVE-2018-20763?
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-2018-20763 being exploited?
There is no known exploitation of CVE-2018-20763 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-20763, GHSA-xp5g-whvx-3f7g, UBUNTU-CVE-2018-20763.