NVD - CVE-2016-7440

CVE-2016-7440 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

The C software implementation of AES Encryption and Decryption in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover AES keys by leveraging cache-bank timing differences.

Source: MITRE
Description Last Modified: 12/13/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.debian.org/security/2016/dsa-3706
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html	Third Party Advisory
http://www.securityfocus.com/bid/93659	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037050
https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/	Third Party Advisory
https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html	Vendor Advisory

Technical Details

Vulnerability Type (View All)

Cryptographic Issues (CWE-310)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:mariadb:mariadb:10.0.27:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:a:mysql:mysql:5.1:*:*:*:*:*:*:*
Configuration 3
OR
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:* versions up to (including) 3.9.8

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Initial Analysis - 12/15/2016 12:55:27 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Configuration 1 OR cpe:2.3:a:mariadb:mariadb:10.0.27::::::: Configuration 2 OR cpe:2.3:a:mysql:mysql:5.1::::::: Configuration 3 OR cpe:2.3:a:wolfssl:wolfssl:3.9.8::::::: (and previous)
Added	CVSS V2		(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Added	CWE		CWE-310
Changed	Reference Type	http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html No Types Assigned	http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html Third Party Advisory
Changed	Reference Type	http://www.securityfocus.com/bid/93659 No Types Assigned	http://www.securityfocus.com/bid/93659 Third Party Advisory, VDB Entry
Changed	Reference Type	https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/ No Types Assigned	https://mariadb.com/kb/en/mariadb/mariadb-10028-release-notes/ Third Party Advisory
Changed	Reference Type	https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html No Types Assigned	https://wolfssl.com/wolfSSL/Blog/Entries/2016/9/26_wolfSSL_3.9.10_Vulnerability_Fixes.html Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2016-7440
NVD Published Date:
12/13/2016
NVD Last Modified:
07/28/2017

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National Vulnerability Database