#VU71237 XML External Entity injection in Swift


Published: 2023-01-17

Vulnerability identifier: #VU71237

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-47950

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Swift
Universal components / Libraries / Software for developers

Vendor: 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Swift: 1.0.0 - 2.30.0


External links
http://security.openstack.org/ossa/OSSA-2023-001.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability