CVE-2023-37577

2024-01-0814:47:51

CWE-416

talos

www.cve.org

vcd get_vartoken

gtkwave 3.3.115

use-after-free

arbitrary code execution

malicious file

vcd2lxt2 conversion utility

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

8.1

Confidence

High

EPSS

0.001

Percentile

23.1%

JSON

Multiple use-after-free vulnerabilities exist in the VCD get_vartoken realloc functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the use-after-free when triggered via the vcd2lxt2 conversion utility.

CNA Affected

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