CVE-2020-8215 Buffer overflow in canvas
A buffer overflow in the node-canvas library allows attackers to execute arbitrary code or cause denial of service via malicious images.
- 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-2020-8215?
CVE-2020-8215 is a high-severity memory corruption vulnerability in node-canvas, published on 20 Jul 2020. 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
A buffer overflow is present in canvas version <= 1.6.9, which could lead to a Denial of Service or execution of arbitrary code when it processes a user-provided image.
Weakness: CWE-120
Which versions are affected by CVE-2020-8215?
2 open source packages ship an affected version, including canvas. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
canvas npm | All versions | 1.6.11 |
canvas npm | All versions | 1.6.11 |
Products include Automattic Canvas.
How do I fix CVE-2020-8215?
Upgrade canvas to 1.6.11 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-8215 being exploited?
There is no known exploitation of CVE-2020-8215 in the wild and no public exploit code.
Sources
Also known as GHSA-73rg-x683-m3qw.