CVE-2018-11466 Memory corruption in SINUMERIK 808D V4.7, SINUMERIK 808D V4.8, SINUMERIK 828D V4.7, SINUMERIK 840D sl V4.7, SINUMERIK 840D sl V4.8

Q: Is CVE-2018-11466 being exploited?

There is no known exploitation of CVE-2018-11466 in the wild and no public exploit code.

Q: How do I fix CVE-2018-11466?

No fix has been published for CVE-2018-11466 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 12 Dec 2018 Updated 5 Aug 2024

Remote attackers can cause denial of service or execute code on Siemens SINUMERIK CNC controllers via crafted network packets.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11466?

CVE-2018-11466 is a critical memory corruption vulnerability in Siemens AG SINUMERIK 808D V4.7, SINUMERIK 808D V4.8, SINUMERIK 828D V4.7, SINUMERIK 840D sl V4.7, SINUMERIK 840D sl V4.8, published on 12 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). Specially crafted network packets sent to port 102/tcp (ISO-TSAP) could allow a remote attacker to either cause a Denial-of-Service condition of the integrated software firewall or allow to execute code in the context of the software firewall. The security vulnerability could be exploited by an attacker with network access to the affected systems on port 102/tcp. Successful exploitation requires no user privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known

Weakness: CWE-248

Which versions are affected by CVE-2018-11466?

It affects 5 products.

Products include Siemens Sinumerik 808d V4.7 Firmware, Siemens Sinumerik 808d V4.8 Firmware, Siemens Sinumerik 828d V4.7 Firmware, Siemens Sinumerik 840d Sl V4.7 Firmware, Siemens Sinumerik 840d Sl V4.8 Firmware.

How do I fix CVE-2018-11466?

No fix has been published for CVE-2018-11466 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-11466 being exploited?

There is no known exploitation of CVE-2018-11466 in the wild and no public exploit code.

Sources

Also known as GHSA-x97r-946v-xgj8.