CVE-2018-11465 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-2018-11465 being exploited?

There is no known exploitation of CVE-2018-11465 in the wild and no public exploit code.

Q: How do I fix CVE-2018-11465?

No fix has been published for CVE-2018-11465 yet. Limit exposure of the affected software until one is available.

High 7.8 Published 12 Dec 2018 Updated 5 Aug 2024

Local attackers can exploit kernel-mode memory corruption flaws in Siemens SINUMERIK controllers to execute arbitrary code and escalate privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11465?

CVE-2018-11465 is a high-severity 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. It can only be exploited from the same machine or local network, 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). A local attacker could use ioctl calls to do out of bounds reads, arbitrary writes, or execute code in kernel mode. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires user privileges but 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-125, CWE-248

Which versions are affected by CVE-2018-11465?

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-2018-11465?

No fix has been published for CVE-2018-11465 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-2018-11465 being exploited?

There is no known exploitation of CVE-2018-11465 in the wild and no public exploit code.

Sources

Also known as GHSA-67g7-7vx8-2788.