CVE-2018-3973 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. 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 PCX image to trigger this vulnerability and gain code execution.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Canvasgfx	Canvas Draw	5.0.0

Related Weaknesses (CWE)

CWE-787

References

http://www.securityfocus.com/bid/106809Broken LinkThird Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638ExploitThird Party Advisory
http://www.securityfocus.com/bid/106809Broken LinkThird Party AdvisoryVDB Entry
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638ExploitThird Party Advisory

FAQ

What is CVE-2018-3973?

CVE-2018-3973 is a vulnerability with a CVSS score of 7.8 (HIGH). An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write ...

How severe is CVE-2018-3973?

CVE-2018-3973 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-3973?

Check the references section above for vendor advisories and patch information. Affected products include: Canvasgfx Canvas Draw.