Buffer overflow in Siemens products - CVE-2019-13942

 

Buffer overflow in Siemens products - CVE-2019-13942

Published: December 13, 2019


Vulnerability identifier: #VU23592
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-13942
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
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

Detailed vulnerability description

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.



How to mitigate CVE-2019-13942

Install updates from vendor's website.

Sources