Buffer overflow in Canvasgfx Canvas Draw
CVE-2018-3976
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.
Vulnerability class: Buffer Overflow
EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Canvasgfx Canvas_draw — versions 5.0.0.28
- Talos Acd Systems — versions ACDSystems Canvas Draw 5.0.0.28
Weakness classification (CWE)
References
- talos-cna@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3976?
- CVE-2018-3976 is a high-severity vulnerability in Canvasgfx Canvas Draw, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-02-06.
- How severe is CVE-2018-3976?
- High severity. CVSS v3 base score is 7.8 out of 10.