NVD - CVE-2016-6489

CVE-2016-6489 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.

Current Description

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

Source: MITRE
Description Last Modified: 04/14/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

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

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
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://rhn.redhat.com/errata/RHSA-2016-2582.html	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/07/29/7	Mailing List Patch Third Party Advisory
http://www.ubuntu.com/usn/USN-3193-1	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1362016	Issue Tracking Third Party Advisory VDB Entry
https://eprint.iacr.org/2016/596.pdf	Technical Description
https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3	Patch Third Party Advisory
https://security.gentoo.org/glsa/201706-21

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:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*
Configuration 3
OR
cpe:2.3:a:nettle_project:nettle:-:*:*:*:*:*:*:*

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

Change History

2 change records found - show changes

Initial Analysis - 4/25/2017 1:38:26 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:nettle_project:nettle:-:::::::
Added	CPE Configuration		OR cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::* cpe:2.3:o:canonical:ubuntu_linux:16.10:::::::
Added	CPE Configuration		OR cpe:2.3:o:redhat:enterprise_linux_desktop:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::
Added	CVSS V2		(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Added	CWE		CWE-310
Changed	Reference Type	http://rhn.redhat.com/errata/RHSA-2016-2582.html No Types Assigned	http://rhn.redhat.com/errata/RHSA-2016-2582.html Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2016/07/29/7 No Types Assigned	http://www.openwall.com/lists/oss-security/2016/07/29/7 Mailing List, Patch, Third Party Advisory
Changed	Reference Type	http://www.ubuntu.com/usn/USN-3193-1 No Types Assigned	http://www.ubuntu.com/usn/USN-3193-1 Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1362016 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1362016 Issue Tracking, Third Party Advisory, VDB Entry
Changed	Reference Type	https://eprint.iacr.org/2016/596.pdf No Types Assigned	https://eprint.iacr.org/2016/596.pdf Technical Description
Changed	Reference Type	https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 No Types Assigned	https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2016-6489
NVD Published Date:
04/14/2017
NVD Last Modified:
06/30/2017

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National Vulnerability Database