PT-2014-1003 · Siemens · Simatic S7-1200 Cpu

Publicado 2014-03-20 · Atualizado 2020-02-10 · CVE-2014-2250

Positive Technologies (AI Summary)

CVSS v2.0

8.3

Alta

Vetor base

AV:N/AC:M/Au:N/C:P/I:P/A:C

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC S7-1200 CPU PLC devices with firmware prior to 4.0

Description The issue concerns a problem with the random-number generator in the authentication handler of the web server, which lacks sufficient entropy. This makes it easier for remote attackers to defeat cryptographic protection mechanisms. As a result, attackers can hijack sessions.

Recommendations For Siemens SIMATIC S7-1200 CPU PLC devices with firmware prior to 4.0, update the firmware to version 4.0 or later to resolve the issue.

Correção

Enumeração de Fraquezas

CWE-331

CWE-310

Identificadores relacionados

BDU:2014-00022

CVE-2014-2250

Produtos afetados

Simatic S7-1200 Cpu

Referências · 5

• https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf · Nota
• http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02 · Nota
• https://bdu.fstec.ru/vul/2014-00022 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2014-2250 · Nota de Segurança
• http://siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf · Aviso do Fabricante