Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU25270
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-13946
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Profinet-IO (PNIO) stack versions prior v06.00 do not properly limit internal resource allocation when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
MitigationDevelopment/Evaluation Kits for PROFINET IO: before 4.6
SIMATIC PROFINET Driver: before 2.1
RUGGEDCOM RM1224: before 4.3
SCALANCE M-800 / S615: before 4.3
SCALANCE W-700 (IEEE 802.11n): before 6.0.1
SCALANCE X-200: All versions
SCALANCE X-200 IRT: before 5.3.0
SCALANCE X-300: All versions
SCALANCE XB-200: before 3.0
SCALANCE XC-200: before 3.0
SCALANCE XP-200: before 3.0
SCALANCE XF-200BA: before 3.0
SCALANCE XR-300WG: before 3.0
SCALANCE XM-400: before 6.0
SCALANCE XR-500: before 6.0
SIMATIC CP 1616: before 2.8
SIMATIC CP 1604: before 2.8
SIMATIC CP 343-1 Advanced: All versions
SIMATIC CP 343-1 Standard: All versions
SIMATIC CP 343-1 ERPC: All versions
SIMATIC CP 343-1 LEAN: All versions
SIMATIC CP 443-1 Advanced: All versions
SIMATIC CP 443-1 Standard: All versions
SIMATIC CP443-1 OPC UA: All versions
SIMATIC ET200AL IM 157-1 PN: All versions
SIMATIC ET200M IM153-4 PN IO HF: All versions
SIMATIC ET200M IM153-4 PN IO ST: All versions
SIMATIC ET200MP IM155-5 PN HF: before 4.2.0
SIMATIC ET200MP IM155-5 PN ST: before 4.1.0
SIMATIC ET 200S: All versions
SIMATIC ET200SP IM155-6 PN Basic: All versions
SIMATIC ET200SP IM155-6 PN HF: before 3.3.1
SIMATIC ET200SP IM155-6 PN ST: before 4.1.0
SIMATIC ET 200ecoPN: All versions
SIMATIC ET200pro IM 154-3 PN HF: All versions
SIMATIC ET200pro IM 154-4 PN HF: All versions
SIMATIC IPC Support, Package for VxWorks: All versions
SIMATIC MV400: All versions
SIMATIC PN/PN Coupler 6ES7158-3AD01-0XA0: All versions
SIMATIC RF182C: All versions
SIMATIC RF180C: All versions
SIMATIC RF600: before 3
SINAMICS DCP: before 1.3
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-780073.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.