Vulnerability Monitor

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CVE-2020-8994

An issue was discovered on XIAOMI AI speaker MDZ-25-DT 1.34.36, and 1.40.14. Attackers can get root shell by accessing the UART interface and then they can read Wi-Fi SSID or password, read the dialogue text files between users and XIAOMI AI speaker, use Text-To-Speech tools pretend XIAOMI speakers' voice achieve social engineering attacks, eavesdrop on users and record what XIAOMI AI speaker hears, delete the entire XIAOMI AI speaker system, modify system files, stop voice assistant service, start the XIAOMI AI speaker’s SSH service as a backdoor

Published

2020-03-05T16:15:12.143

Last Modified

2024-11-21T05:39:47.843

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	mi	mdz-25-dt_firmware	1.34.36	Yes
Operating System	mi	mdz-25-dt_firmware	1.40.14	Yes
Hardware	mi	mdz-25-dt	-	No

References

https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2020-8994.md Exploit, Third Party Advisory ([email protected])
https://www.usenix.org/sites/default/files/soups2018posters-lau.pdf Technical Description, Third Party Advisory ([email protected])
https://youtu.be/yCadG38yZW8 Exploit, Third Party Advisory ([email protected])
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2020-8994.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.usenix.org/sites/default/files/soups2018posters-lau.pdf Technical Description, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://youtu.be/yCadG38yZW8 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)