CVE-2020-5644

06.11.2020, 03:15

Buffer overflow vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QMBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QLBDE CoreOS version "05.65.00.BD" and earlier, GT1455HS-QTBDE CoreOS version "05.65.00.BD" and earlier, and GT1450HS-QMBDE CoreOS version "05.65.00.BD" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Classic Buffer Overflow

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
jpcert	CNA	---				---
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 74%

Vendor	Product	Version
mitsubishielectric	coreos	𝑥 ≤ 05.65.00.bd

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

https://jvn.jp/vu/JVNVU99562395/index.html

https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02

https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf

https://jvn.jp/vu/JVNVU99562395/index.html

https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02

https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf