QID 591161

Date Published: 2022-11-07

QID 591161: Siemens SIMATIC STEP 7,SIMANTIC STEP 7 (TIA Admin),SIMATIC NET PC Software,SIMANTIC Logon,SINEC NMS and Telecontrol Server Basic Open Secure Sockets Layer (OpenSSL) Denial of Service (DoS) Vulnerability (SSA-712929)

AFFECTED PRODUCTS
The following Siemens products are affected:
TeleControl Server Basic V3: All versions prior to V3.1.1
SIMATIC STEP 7 V5.X: All versions prior to V5.7 HF4
SIMATIC STEP 7 (TIA Portal): All versions
SIMATIC NET PC Software V14: All versions
SIMATIC NET PC Software V15: All versions
SIMATIC NET PC Software: V16 All versions prior to V16 Update 6
SIMATIC NET PC Software: V17 All versions
SIMATIC Logon All versions prior to V1.6 Update 6
SINEC NMS: All versions prior to V1.0.3

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of Siemens using registry "HKLM\SOFTWARE\Siemens"

Successful exploitation of this vulnerability could allow an attacker to create a denial of service condition by providing specially crafted elliptic curve certificates to products that use a vulnerable version of OpenSSL.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section SSA-712929 for affected packages and patching details.

    Vendor References

    CVEs related to QID 591161

    CVE-2022-0778 |
    Software Advisories
    Advisory ID Software Component Link
    SSA-712929 URL Logo cert-portal.siemens.com/productcert/pdf/ssa-712929.pdf
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