Privilege escalation in Siemens ROX II

Published: 2018-10-10

Severity	Low
Patch available	YES
Number of vulnerabilities	2
CVE ID	CVE-2018-13801 CVE-2018-13802
CWE ID	CWE-269
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	ROX II Server applications / SCADA systems
Vendor	Siemens

Security Advisory

1) Improper privilege management

Severity: Low

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-13801

CWE-ID: CWE-269 - Improper Privilege Management

Description

The vulnerability allows a remote authenticated attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper privilege management. A remote attacker with network access to Port 22/TCP and valid low-privileged user credentials can gain root privileges.

Mitigation

Update to version 2.12.1.

Vulnerable software versions

ROX II: -

CPE

cpe:/a:siemens:rox_ii:-:

External links

https://cert-portal.siemens.com/productcert/pdf/ssa-493830.pdf

Q & A

Can this vulnerability be exploited remotely?

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

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.

Is there known malware, which exploits this vulnerability?

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

2) Improper privilege management