Remote code execution in Siemens SIMATIC RFID
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-7461 |
| CWE-ID | CWE-122 |
| Exploitation vector | Local network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
SIMATIC RF650M Hardware solutions / Firmware SIMATIC RF350M Hardware solutions / Other hardware appliances |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU46226
Risk: Medium
CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]
CVE-ID: CVE-2020-7461
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when parsing option 119 data in DHCP packets in dhclient(8). A remote attacker on the local network can send specially crafted data to the DHCP client, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsSIMATIC RF650M: All versions
SIMATIC RF350M: All versions
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-288459.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
