CVE-2023-36747

2024-01-0815:15:14

CWE-787

CWE-119

talos

web.nvd.nist.gov

cve-2023-36747

gtkwave

heap-based buffer overflow

fstreaderiterblocks2

fstwritex len

memory corruption

nvd

vulnerability

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

7.7

Confidence

High

EPSS

0.001

Percentile

21.5%

JSON

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 fstWritex len functionality of GTKWave 3.3.115. A specially crafted .fst file can lead to memory corruption. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the handling of len in fstWritex when beg_time does not match the start of the time table.

Affected configurations

Nvd

Vulners

Node

tonybybellgtkwaveMatch3.3.115

VendorProductVersionCPE
tonybybellgtkwave3.3.115cpe:2.3:a:tonybybell:gtkwave:3.3.115:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tonybybell	gtkwave	3.3.115	cpe:2.3:a:tonybybell:gtkwave:3.3.115:::::::*

CNA Affected

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