CVE-2024-3572

NameCVE-2024-3572
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
python-scrapy (PTS)buster1.5.1-1+deb10u1vulnerable
bullseye2.4.1-2+deb11u1vulnerable
bookworm2.8.0-2vulnerable
trixie2.11.1-2fixed
sid2.11.2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-scrapysource(unstable)2.11.1-1

Notes

[bookworm] - python-scrapy <no-dsa> (Minor issue)
[bullseye] - python-scrapy <no-dsa> (Minor issue)
[buster] - python-scrapy <postponed> (Minor issue, DoS)
https://huntr.com/bounties/c4a0fac9-0c5a-4718-9ee4-2d06d58adabb
https://github.com/scrapy/scrapy/commit/809bfac4890f75fc73607318a04d2ccba71b3d9f (2.11.1)
The CVE and bounty descriptions discuss general XML issues (not specifically XXE), but
the bounty comments and the patch discuss a compression bomb.
https://github.com/scrapy/scrapy/security/advisories/GHSA-7j7m-v7m3-jqm7 (compression bomb)

Search for package or bug name: Reporting problems