#VU64746 XML External Entity injection


Published: 2022-06-28

Vulnerability identifier: #VU64746

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-41559

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SilverStripe Framework
Server applications / Frameworks for developing and running applications

Vendor: SilverStripe

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SilverStripe Framework: 4.10.0 - 4.10.8


CPE

External links
http://github.com/silverstripe/silverstripe-framework/releases/tag/4.11.0
http://github.com/silverstripe/silverstripe-framework/releases/tag/4.10.9


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability