#VU61728 XML External Entity injection


Published: 2022-03-30 | Updated: 2022-04-11

Vulnerability identifier: #VU61728

Vulnerability risk: Medium

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

CVE-ID: CVE-2022-1018

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Connected Components Workbench
Other software / Other software solutions
Safety Instrumented Systems Workstation
Other software / Other software solutions
ISaGRAF Workbench
Other software / Other software solutions

Vendor: Rockwell Automation

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 within the ccwsln files. A remote attacker can trick a victim to open a specially crafted solution file 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

Connected Components Workbench: 12.00.00

Safety Instrumented Systems Workstation: 1.1

ISaGRAF Workbench: 6.6.9


External links
http://ics-cert.us-cert.gov/advisories/icsa-22-088-01
http://www.zerodayinitiative.com/advisories/ZDI-22-584/
http://www.zerodayinitiative.com/advisories/ZDI-22-585/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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