Buffer overflow in Siemens products - CVE-2022-30937
Published: June 15, 2022
Vulnerability identifier: #VU64401
CSH Severity: High
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:Amber
CVE-ID: CVE-2022-30937
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
EN100 Ethernet module DNP3 IP variant
EN100 Ethernet module IEC 104 variant
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module DNP3 IP variant
EN100 Ethernet module IEC 104 variant
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module PROFINET IO 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 when parsing specially crafted HTTP packets to /txtrace endpoint. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
How to mitigate CVE-2022-30937
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.