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silverstripeCMS Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Vulnerability (CVE-2021-41559) - Vulnerability Database

silverstripeCMS Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') Vulnerability (CVE-2021-41559)

Description

Silverstripe silverstripe/framework 4.8.1 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

References

CVE-2021-41559

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Severity

Medium

Classification

CVE-2021-41559
CWE-776
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Tags

Missing Update
Known Vulnerabilities