VDB-97506 · CVE-2016-6882 · BID 91488

MatrixSSL up to 3.8.6 DHE_RSA key management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in MatrixSSL up to 3.8.6. This affects an unknown part of the component DHE_RSA. The manipulation results in key management. This vulnerability is identified as CVE-2016-6882. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in MatrixSSL up to 3.8.6. Affected is an unknown part of the component DHE_RSA. The manipulation with an unknown input leads to a key management vulnerability. CWE is classifying the issue as CWE-320. This is going to have an impact on confidentiality. CVE summarizes:

MatrixSSL before 3.8.7, when the DHE_RSA based cipher suite is supported, makes it easier for remote attackers to obtain RSA private key information by conducting a Lenstra side-channel attack.

The bug was discovered 03/03/2017. The weakness was released 03/03/2017 by Juraj Somorovsky (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2016-6882 since 08/19/2016. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

Upgrading to version 3.8.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 91488†). Entries connected to this vulnerability are available at VDB-97507 and VDB-97508. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Key management
CWE: CWE-320
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103427
OpenVAS Name: MatrixSSL Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MatrixSSL 3.8.7

Timelineinfo

06/26/2016 🔍
08/19/2016 +54 days 🔍
03/03/2017 +196 days 🔍
03/03/2017 +0 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
09/03/2020 +1279 days 🔍

Sourcesinfo

Product: github.com

Advisory: openwall.com
Researcher: Juraj Somorovsky
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6882 (🔍)
GCVE (CVE): GCVE-0-2016-6882
GCVE (VulDB): GCVE-100-97506
SecurityFocus: 91488 - MatrixSSL Multiple Information Disclosure Vulnerabilities
OSVDB: - CVE-2016-6882 - MatrixSSL - Lenstra Side-Channel Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 13:51
Updated: 09/03/2020 18:23
Changes: 03/04/2017 13:51 (65), 09/03/2020 18:23 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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