Use-After-Free

2024-04-1608:59:11

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

gtkwave

software

vulnerability

memory reallocation

vcd parsing

arbitrary code execution

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

23.9%

JSON

gtkwave is vulnerable to Use-After-Free. The vulnerability is due to improper handling of memory reallocation in the VCD get_vartoken function when triggered via the GUI’s interactive VCD parsing code. It allows a specially crafted .vcd file can lead to arbitrary code execution.