Multiple integer overflow vulnerabilities exist in the VZT vzt_rd_block_vch_decode times parsing functionality of GTKWave 3.3.115. A specially crafted .vzt file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the integer overflow when num_time_ticks is zero.
Metrics
CVSS Version: 3.1 |
Base Score: 7 HIGH Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
l➤ Exploitability Metrics: Attack Vector (AV)* LOCAL Attack Complexity (AC)* HIGH Privileges Required (PR)* NONE User Interaction (UI)* REQUIRED Scope (S)* UNCHANGED
l➤ Impact Metrics: Confidentiality Impact (C)* HIGH Integrity Impact (I)* HIGH Availability Impact (A)* HIGH