Vulnerability CVE-2018-9056
Published: 2018-03-27

Description:
Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern history table (PHT), aka BranchScope.

Type:

CWE-200

 (Information Exposure)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.7/10
6.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
None
None
Affected software
Intel -> Pentium n 
Intel -> XEON 
Intel -> Atom c 
Intel -> Xeon bronze 
Intel -> Atom e 
Intel -> Xeon e3 
Intel -> Atom x3 
Intel -> Xeon e5 
Intel -> Atom z 
Intel -> Xeon e7 
Intel -> Celeron j 
Intel -> Xeon gold 
Intel -> Celeron n 
Intel -> Xeon phi 
Intel -> Core i3 
Intel -> Xeon platinum 
Intel -> Core i5 
Intel -> Xeon silver 
Intel -> Core i7 
Intel -> Core m 
Intel -> Core m3 
Intel -> Core m5 
Intel -> Core m7 
Intel -> Pentium j 
ARM -> Cortex-a 

 References:
http://www.cs.ucr.edu/~nael/pubs/asplos18.pdf
https://arstechnica.com/gadgets/2018/03/its-not-just-spectre-researchers-reveal-more-branch-prediction-attacks/
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