Insecure DLL loading in Rockwell Automation SIS Workstation and ISaGRAF Workbench

1) Insecure DLL loading

EUVDB-ID: #VU83210

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-9268

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Safety Instrumented Systems Workstation: 1.2

ISaGRAF Workbench: 6.6.9

CPE2.3

• cpe:2.3:a:rockwell_automation:safety_instrumented_systems_workstation:*:*:*:*:*:*:*:
• cpe:2.3:a:rockwell_automation:safety_instrumented_systems_workstation:1.2:*:*:*:*:*:*:
• cpe:2.3:a:rockwell_automation:isagraf_workbench:*:*:*:*:*:*:*:
• cpe:2.3:a:rockwell_automation:isagraf_workbench:6.6.9:*:*:*:*:*:*:

External links

http://www.cisa.gov/news-events/ics-advisories/icsa-23-318-02

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.