Security restrictions bypass in Schneider Electric IGSS SCADA

1) Security restrictions bypass

EUVDB-ID: #VU10575

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-9967

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to the failure to properly configure security configuration settings such as Address Space Layout Randomization (ASLR) and Data Execution prevention (DEP). A local attacker can bypass security restrictions and cause the service to crash or execute arbitrary code with elevated privileges.

Mitigation

Update to version 13.

Vulnerable software versions

IGSS SCADA: 2 - 12

External links

http://download.schneider-electric.com/files?p_enDocType=Technical+leaflet&p_File_Id=907343...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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