CVE-2018-11460 Privilege escalation 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-2018-11460 being exploited?

There is no known exploitation of CVE-2018-11460 in the wild and no public exploit code.

Q: How do I fix CVE-2018-11460?

No fix has been published for CVE-2018-11460 yet. Limit exposure of the affected software until one is available.

High 7.8 Published 12 Dec 2018 Updated 5 Aug 2024

Local attackers with elevated privileges can modify CRAMFS archives to execute arbitrary code with root privileges upon reboot.

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-2018-11460?

CVE-2018-11460 is a high-severity 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 with elevated user privileges (manufact) could modify a CRAMFS archive so that after reboot the system loads the modified CRAMFS file and attacker-controlled code is executed with root privileges. The security vulnerability could be exploited by an attacker with local access to the affected systems. Successful exploitation requires elevated user privileges (manufact) 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-693

Which versions are affected by CVE-2018-11460?

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-2018-11460?

No fix has been published for CVE-2018-11460 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-11460 being exploited?

There is no known exploitation of CVE-2018-11460 in the wild and no public exploit code.

Sources

Also known as GHSA-4f5v-gcjx-w64x.