CVE-2018-4833 Memory corruption in RFID 181EIP
Remote attackers on the local network can execute arbitrary code on Siemens industrial switches and RFID devices by sending malicious DHCP responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-4833?
CVE-2018-4833 is a high-severity memory corruption vulnerability in Siemens RFID 181EIP, published on 14 Jun 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 RFID 181EIP (All versions), RUGGEDCOM Win (V4.4, V4.5, V5.0, and V5.1), SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.3), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.4.1), SCALANCE X-200RNA switch family (All versions < V3.2.6), SCALANCE X-300 switch family (incl. SIPLUS NET variants) (All versions < V4.1.3), SCALANCE X408 (All versions < V4.1.3), SCALANCE X414 (All versions), SIMATIC RF182C (All versions). Unprivileged remote attackers located in the same local network segment (OSI Layer 2) could gain remote code execution on the affected products by sending a specially crafted DHCP response to a client's DHCP request.
Which versions are affected by CVE-2018-4833?
It affects 9 products.
Products include Siemens Rfid 181-Eip Firmware, Siemens Ruggedcom Wimax Firmware, Siemens Scalance X200 Firmware, Siemens Scalance X200irt Firmware, Siemens Scalance X204rna Firmware, Siemens Scalance X300 Firmware and 3 more.
How do I fix CVE-2018-4833?
No fix has been published for CVE-2018-4833 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-2018-4833 being exploited?
There is no known exploitation of CVE-2018-4833 in the wild and no public exploit code.
Sources
Also known as GHSA-w74m-fchp-7mq8.