Heap Based Buffer Overflow

2024-04-0603:21:11

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

gtkwave

vulnerability

heap based buffer overflow

memory corruption

fst files

exploitation

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

7.2

Confidence

High

EPSS

0.001

Percentile

21.5%

JSON

GTKWave is vulnerable to Heap Based Buffer Overflow. The vulnerability is due to improper handling of len in fstWritex when beg_time does not match the start of the time table, It allows Victims are at risk of exploitation if they open a malicious file triggering these vulnerabilities, leading to memory corruption when processing specially crafted .fst files.