CVE-2021-21898

2021-11-1900:00:00

CWE-119

talos

www.cve.org

code execution

vulnerability

librecad

dwgcompressor

out-of-bounds write

malicious file

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

8.9

Confidence

High

EPSS

0.017

Percentile

87.9%

JSON

A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. 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"
      }
    ]
  }
]