Buffer overflow in Siemens products - CVE-2022-30938

 

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

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.

Sources