Side-Channel Attack Vulnerability in Microprocessors by Unknown Vendor
CVE-2018-9056

5.6MEDIUM

Key Information:

Vendor

Intel
Status
Core I7
Core I5
Core I3
Xeon E7
Vendor
CVE Published:
27 March 2018

What is CVE-2018-9056?

This vulnerability affects microprocessors that utilize speculative execution, enabling unauthorized information disclosure to attackers with local user access. Through the exploitation of the directional branch predictor, specifically the pattern history table (PHT), unauthorized users can gain access to sensitive information via side-channel attacks. This exploit demonstrates the potential risks inherent in modern microprocessor design and highlights the need for enhanced security measures.

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References

http://www.cs.ucr.edu/~nael/pubs/asplos18.pdf
x_refsource_MISC
https://arstechnica.com/gadgets/2018/03/its-not-just-spec...
x_refsource_MISC

CVSS V3.1

Score:
5.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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