#VU71237 XML External Entity injection in Swift - CVE-2022-47950
Published: January 17, 2023
Vulnerability identifier: #VU71237
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-47950
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Swift
Swift
Software vendor:
Openstack
Openstack
Description
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input within the S3 XML parser. A remote user can pass a specially crafted XML file 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.
Remediation
Install updates from vendor's website.