Heap-based Buffer Overflow in Siemens SIMATIC Processors
CVE-2022-34819

10CRITICAL

Key Information:

Vendor
Siemens
Status
Simatic Cp 1242-7 V2
Simatic Cp 1243-1
Simatic Cp 1243-7 Lte Eu
Simatic Cp 1243-7 Lte Us
Vendor
CVE Published:
12 July 2022

Summary

A significant heap-based buffer overflow vulnerability has been detected in multiple models of Siemens SIMATIC processors. The issue arises from improper validation of user-supplied data during the parsing of specific messages. An attacker exploiting this flaw could potentially execute arbitrary code within the context of the device, compromising its integrity. It is essential to patch affected versions to mitigate the risk of unauthorized access and control.

Affected Version(s)

SIMATIC CP 1242-7 V2 All versions < V3.3.46

SIMATIC CP 1243-1 All versions < V3.3.46

SIMATIC CP 1243-7 LTE EU All versions < V3.3.46

References

https://cert-portal.siemens.com/productcert/pdf/ssa-51737...

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.