GHSA-9fmg-89fx-r33w

Quadratic blowup in Convert::xml2array()

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-41559

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	silverstripe/framework	>= 4.0.0, < 4.10.9	4.10.9

Details

As written in the advisory (Markdown source, shown as plain text).

Silverstripe silverstripe/framework 4.x until 4.10.9 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-41559 advisory
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2021-41559.yaml web
https://github.com/silverstripe/silverstripe-framework/releases web
https://www.silverstripe.org/download/security-releases web
https://www.silverstripe.org/download/security-releases/cve-2021-41559 web