CVE-2018-3973 Information

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 Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/106809 https://talosintelligence.com/vulnerability_reports/TALOS-2018-0638

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8