Remote code execution in Siemens Viewport for Web Office Portal

1) Remote code execution

EUVDB-ID: #VU7269

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-6869

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code.

The weakness exists due to improper input validation. A remote attacker can send specially crafted network packets to ports 443/TCP or 80/TCP and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

The vulnerability is addressed in software revision number 1453.

Vulnerable software versions

Viewport for Web Office Portal: All versions

CPE2.3

• cpe:2.3:a:siemens:viewport_for_web_office_portal:*:*:*:*:*:*:*:*

External links

https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-545214.pdf

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.