CVE-2023-35956

2024-01-0815:15:10

CWE-119

talos

web.nvd.nist.gov

cve-2023-35956

heap-based buffer overflow

vcdata parsing

gtkwave

arbitrary code execution

fastlz_decompress

nvd

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

7.9

Confidence

High

EPSS

0.001

Percentile

23.9%

JSON

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functionality of GTKWave 3.3.115. A specially-crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the decompression function fastlz_decompress.

Affected configurations

Nvd

Vulners

Node

tonybybellgtkwaveMatch3.3.115

VendorProductVersionCPE
tonybybellgtkwave3.3.115cpe:/a:tonybybell:gtkwave:3.3.115:::

Vendor	Product	Version	CPE
tonybybell	gtkwave	3.3.115	cpe:/a:tonybybell:gtkwave:3.3.115:::

CNA Affected

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