CVE-2018-3976
7.8 · HIGHOverview
CVE-2018-3976 is a high-severity vulnerability affecting canvasgfx canvas_draw. It was published on February 6, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from canvasgfx. Update canvas_draw to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2018-3976?
CVE-2018-3976 is a high-severity vulnerability affecting canvasgfx canvas_draw. It was published on February 6, 2019 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2018-3976?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-3976?
Check the references section for vendor advisories and patches from canvasgfx. Update canvas_draw to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-3976?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-3976 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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