Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-5926

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
27/02/2017
Last modified:
20/04/2025

Description

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern AMD processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:h:allwinner:a64:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:athlon_ii_640_x4:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:e-350:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:fx-8120_8-core:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:fx-8320_8-core:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:fx-8350_8-core:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:phenom_9550_4-core:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:atom_c2750:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:celeron_n2840:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i5_m480:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7-2620qm:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7-3632qm:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7-4500u:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7-6700k:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:core_i7_920:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools