CVE-2024-3572: scrapy — Exploit & Fix

Description

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-409 CWE-409

Affected Products

Vendor	Product	Versions
scrapy	scrapy	< 2.11.1

References

Advisories & Patches

https://github.com/scrapy/scrapy/commit/809bfac4890f75fc73607318a04d2ccba71b3d9f https://github.com/scrapy/scrapy/commit/809bfac4890f75fc73607318a04d2ccba71b3d9f

Exploits

https://huntr.com/bounties/c4a0fac9-0c5a-4718-9ee4-2d06d58adabb https://huntr.com/bounties/c4a0fac9-0c5a-4718-9ee4-2d06d58adabb

Frequently Asked Questions

What is CVE-2024-3572? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-3572? +

CVE-2024-3572 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-3572? +

CVE-2024-3572 affects products from scrapy, specifically: scrapy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3572? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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