CVE-2021-21899

2021-11-1900:00:00

CWE-119

talos

www.cve.org

code execution

vulnerability

librecad

heap buffer overflow

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

Confidence

High

EPSS

0.009

Percentile

83.0%

JSON

A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "LibreCAD",
    "versions": [
      {
        "version": "LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580",
        "status": "affected"
      }
    ]
  }
]