Backdoor in Asus Live Update

Published: 2019-03-26 00:32:24 | Updated: 2019-03-26
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID N/A
CVSSv3 9.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CWE ID CWE-912
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software ASUS Live Update
Vulnerable software versions ASUS Live Update -
Vendor URL Asus

Security Advisory

1) Hidden functionality (backdoor)

Description

The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote attacker can use this functionality to gain full access to the application and compromise the affected system.

Note: this backdoor was implented as a result of ASUS servers compromise within the APT attack dubbed “Operation ShadowHammer”. The campaign ran from June to at least November 2018.

Remediation

Install a new version of Asus Live Update from vendor's website and use antivirus software to detect and remove potential malware from your computers.

External links

https://securelist.com/operation-shadowhammer/89992/
https://www.darkreading.com/attacks-breaches/attackers-compromise-asus-software-update-servers-to-di...
https://motherboard.vice.com/en_us/article/pan9wn/hackers-hijacked-asus-software-updates-to-install-...

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