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CVE-2021-41559

Good to know:

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Date: June 28, 2022

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

Language: PHP

Severity Score

Related Resources (5)

https://www.silverstripe.org/download/security-releases/cve-2021-41559
https://github.com/silverstripe/silverstripe-framework/releases
https://nvd.nist.gov/vuln/detail/CVE-2021-41559
https://www.silverstripe.org/download/security-releases/
https://www.mend.io/vulnerability-database/CVE-2021-41559

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

CWE-776

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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