Buffer overflow in Siemens products - CVE-2022-30938
Published: July 13, 2022 / Updated: July 14, 2022
Vulnerability identifier: #VU65281
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-2022-30938
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 Modbus TCP variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module IEC 61850 variant
EN100 Ethernet module DNP3 IP variant
EN100 Ethernet module IEC 104 variant
EN100 Ethernet module Modbus TCP variant
EN100 Ethernet module PROFINET IO variant
EN100 Ethernet module IEC 61850 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 while parsing specially crafted HTTP packets. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
How to mitigate CVE-2022-30938
Install updates from vendor's website.