CVE-2024-3572 XML External Entity (XXE) Vulnerability in scrapy/scrapy

2024-04-1600:00:14

CWE-409

@huntr_ai

www.cve.org

cve-2024-3572

scrapy

xml external entity

lxml.etree.fromstring

denial of service

local files

network connections

firewalls

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

9.0%

JSON

The scrapy/scrapy project is vulnerable to XML External Entity (XXE) attacks due to the use of lxml.etree.fromstring for parsing untrusted XML data without proper validation. This vulnerability allows attackers to perform denial of service attacks, access local files, generate network connections, or circumvent firewalls by submitting specially crafted XML data.

CNA Affected

[
  {
    "vendor": "scrapy",
    "product": "scrapy/scrapy",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "2.11.1",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]