Use-After-Free

2024-04-1608:59:34

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

gtkwave

use-after-free

memory management

vcd

get_vartoken realloc

vcd2lxt2

code execution

software

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

7.6

Confidence

High

EPSS

0.001

Percentile

23.1%

JSON

gtkwave is vulnerable to Use-After-Free. The vulnerability is due to improper memory management in the VCD get_vartoken realloc functionality via the vcd2lxt2 conversion utility, allowing an attacker to execute arbitrary code by crafting a malicious .vcd file.