CVE-2020-27828 Memory corruption in jasper
An out-of-bounds write in the Jasper library allows attackers to execute arbitrary code or cause denial of service via crafted input.
- 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-2020-27828?
CVE-2020-27828 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 11 Dec 2020. 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
There's a flaw in jasper's jpc encoder in versions prior to 2.0.23. Crafted input provided to jasper by an attacker could cause an arbitrary out-of-bounds write. This could potentially affect data confidentiality, integrity, or application availability.
Weakness: CWE-20
Which versions are affected by CVE-2020-27828?
It affects 2 products.
Products include Fedoraproject Fedora, Jasper Project Jasper.
How do I fix CVE-2020-27828?
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-2020-27828 being exploited?
There is no known exploitation of CVE-2020-27828 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-x4rf-6444-7fh8, MGASA-2020-0463, UBUNTU-CVE-2020-27828.