Privilege escalation in Siemens products - CVE-2018-4833
Published: June 14, 2018 / Updated: June 15, 2018
Vulnerability identifier: #VU13343
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-4833
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to gain elevated privileges on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. An adjacent attacker can send a specially crafted DHCP response to a client’s DHCP request and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SIMATIC RF182C
SCALANCE X414
SCALANCE X-408
SCALANCE X-300
SCALANCE X-204RNA
RFID 181-EIP
SCALANCE X-200 IRT
SCALANCE X-200
RUGGEDCOM WiMAX
SCALANCE X414
SCALANCE X-408
SCALANCE X-300
SCALANCE X-204RNA
RFID 181-EIP
SCALANCE X-200 IRT
SCALANCE X-200
RUGGEDCOM WiMAX
How to mitigate CVE-2018-4833
Install update from vendor's website.