CVE-2018-11459 Information

Description

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions) SINUMERIK 808D V4.8 (All versions) SINUMERIK 828D V4.7 (All versions V4.7 SP6 HF1) SINUMERIK 840D sl V4.7 (All versions V4.7 SP6 HF5) SINUMERIK 840D sl V4.8 (All versions V4.8 SP3). A local attacker could modify a user-writeable configuration file so that after reboot or manual initiation the system reloads the modified configuration file and attacker-controlled code is executed with elevated privileges. The security vulnerability could be exploited by an attacker with local access to the affected system. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise confidentiality integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/106185 https://cert-portal.siemens.com/productcert/pdf/ssa-170881.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8