CVE-2023-38652

2024-01-0814:47:46

CWE-190

talos

www.cve.org

gtkwave

vzt parsing

memory corruption

integer overflow

vulnerabilities

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

33.6%

JSON

Multiple integer overflow vulnerabilities exist in the VZT vzt_rd_block_vch_decode dict 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 not zero.

CNA Affected

[
  {
    "vendor": "GTKWave",
    "product": "GTKWave",
    "versions": [
      {
        "version": "3.3.115",
        "status": "affected"
      }
    ]
  }
]