Vulnerability identifier: #VU10620

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5473

CWE-ID: CWE-120

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
D60 Line Distance Relay
Hardware solutions / Firmware

Vendor: GE

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow when handling malicious input. A remote attacker can send specially crafted files, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.
https://www.gegridsolutions.com/app/ViewFiles.aspx?prod=d60&type=7

Vulnerable software versions

D60 Line Distance Relay: 7.0 - 7.11

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External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-046-02

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.