Permissions, Privileges, and Access Controls in Advantech WebAccess

#VU15506 Permissions, Privileges, and Access Controls in Advantech WebAccess

Published: 2018-10-24

Vulnerability identifier: #VU15506

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-14828

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Advantech WebAccess
Server applications / SCADA systems

Vendor: Advantech Co., Ltd

Description

The vulnerability allows a local user to perform certain actions with administrative privileges.

The vulnerability exists due to improper privilege management. A local user can access perform certain actions with superuser privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Advantech WebAccess: 8.3 - 8.3.1

External links
http://support.advantech.com/support/DownloadSRDetail_New.aspx?SR_ID=1-MS9MJV&Doc_Source=Dow...
http://ics-cert.us-cert.gov/advisories/ICSA-18-296-01

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.

Is there known malware, which exploits this vulnerability?

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