PoC Index85,100 CVEs with PoCs

CVE-2024-1892

ReDoS Vulnerability in scrapy/scrapy's XMLFeedSpider

MEDIUM 6.5EPSS 0.6%

A Regular Expression Denial of Service (ReDoS) vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker can cause a denial-of-service (DoS) condition. This vulnerability allows for the system to hang and consume significant resources, potentially rendering services that utilize Scrapy for XML processing unresponsive.

Affected
scrapy · scrapy/scrapy
CVSS v3.1 NVD
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v3.1 GitHub
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.0 HUNTR
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.56% chance of exploitation in the next 30 days, 45th percentile
Published
2024-02-28
Updated
2024-08-11

Proof-of-concept exploits (1)

Security advisories

References