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huaweiHuawei TechnologiesHUAWEI-SA-20180815-01-CPU
HistoryAug 15, 2018 - 12:00 a.m.

Security Advisory - CPU Side Channel Vulnerability "L1TF"

2018-08-1500:00:00
Huawei Technologies
www.huawei.com
156

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

5.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:C/I:P/A:N

0.002 Low

EPSS

Percentile

54.1%

Intel and security researchers publicly disclosed three new cpu side-channel vulnerabilities (CVE-2018-3615, CVE-2018-3620 and CVE-2018-3646). Successful exploit of these vulnerabilities could allow a local attacker to read the memory of other processes in specific situations. These vulnerabilities are named by researchers as “Foreshadow” and “Foreshadow-NG”. They are also known as L1 Terminal Fault (L1TF) in the industry.(Vulnerability ID: HWPSIRT-2018-08118,HWPSIRT-2018-08119,HWPSIRT-2018-08120)

Huawei has released software updates to fix these vulnerabilities in the following products.

This advisory will be updated as additional information becomes available, Please stay tuned. This advisory is available at the following link:

<https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en&gt;.

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

5.4 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:M/Au:N/C:C/I:P/A:N

0.002 Low

EPSS

Percentile

54.1%