intel core-i3 CVE-2018-3620 vulnerability in Intel Products
Published on August 14, 2018

Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.

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Vulnerability Analysis

CVE-2018-3620 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is a Side Channel Attack Vulnerability?

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. Discrepancies can take many forms, and variations may be detectable in timing, control flow, communications such as replies or requests, or general behavior. These discrepancies can reveal information about the product's operation or internal state to an unauthorized actor. In some cases, discrepancies can be used by attackers to form a side channel.

CVE-2018-3620 has been classified to as a Side Channel Attack vulnerability or weakness.


Products Associated with CVE-2018-3620

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Intel Core I3
 
Intel Core i5 Processor
 
Intel Core i7 Processor
 
Intel Core M3
 
Intel Core M5
 
Intel Core M7
 
Intel Core M
 
Intel Xeon
 

Affected Versions

Intel Corporation Multiple Version Multiple is affected by CVE-2018-3620

Exploit Probability

EPSS
2.26%
Percentile
84.89%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.