Vulnerability CVE-2016-6257


Published: 2016-08-02

Description:
The firmware in Lenovo Ultraslim dongles, as used with Lenovo Liteon SK-8861, Ultraslim Wireless, and Silver Silk keyboards and Liteon ZTM600 and Ultraslim Wireless mice, does not enforce incrementing AES counters, which allows remote attackers to inject encrypted keyboard input into the system by leveraging proximity to the dongle, aka a "KeyJack injection attack."

CVSS2 => (AV:A/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
2.9/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Logitech -> Unifying firmware 
Lenovo -> Ultraslim firmware 
DELL -> Km714 firmware 
DELL -> Km632 firmware 
Amazonbasics -> Firmware 

 References:
http://www.securityfocus.com/bid/92179
https://github.com/BastilleResearch/keyjack/blob/master/doc/advisories/bastille-13.lenovo-ultraslim.public.txt
https://support.lenovo.com/product_security/len_7267
https://www.bastille.net/research/vulnerabilities/keyjack

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