CVE-2018-3976 Memory corruption in ACD Systems
A specially crafted CAL image can trigger an out-of-bounds write in Canvas Draw, allowing attackers to execute arbitrary code.
- 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
- None listed
What is CVE-2018-3976?
CVE-2018-3976 is a high-severity memory corruption vulnerability in Talos ACD Systems, published on 6 Feb 2019. 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
An exploitable out-of-bounds write exists in the CALS Raster file format-parsing functionality of Canvas Draw version 5.0.0.28. A specially crafted CAL image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a CAL image to trigger this vulnerability and gain code execution.
Weakness: CWE-787
Which versions are affected by CVE-2018-3976?
It affects 1 product.
Products include Canvasgfx Canvas Draw.
How do I fix CVE-2018-3976?
No fix has been published for CVE-2018-3976 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-3976 being exploited?
There is no known exploitation of CVE-2018-3976 in the wild and no public exploit code.
Other vulnerabilities in Talos ACD Systems
Sources
Also known as GHSA-wp28-j337-cw3x.