Buffer overflow in Siemens products - CVE-2019-13942
Published: December 13, 2019
Vulnerability identifier: #VU23592
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13942
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the webserver. A remote attacker can send a specially crafted packet, trigger memory corruption and cause a denial of service condition on the target system.
Affected software
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module DNP3 TCP variant
EN100 Ethernet module IEC 104 variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module DNP3 TCP variant
EN100 Ethernet module IEC 104 variant
How to mitigate CVE-2019-13942
Install updates from vendor's website.
EN100 Ethernet module IEC 61850 variant - update to 4.37