OpenSSL 1.0.1/1.0.2 Intel Sandy-Bridge Microarchitecture Key information disclosure

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CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability classified as critical was found in OpenSSL 1.0.1/1.0.2 (Network Encryption Software). Affected by this vulnerability is an unknown functionality of the component Intel Sandy-Bridge Microarchitecture. The manipulation with an unknown input leads to a information disclosure vulnerability (Key). The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality.

The weakness was published 03/01/2016 as 20160301.txt as confirmed advisory (Website). The advisory is shared at openssl.org. This vulnerability is known as CVE-2016-0702 since 12/16/2015. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 89842 (Amazon Linux AMI : openssl (ALAS-2016-661) (DROWN) (SLOTH)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87335 (IBM HTTP Server Multiple Vulnerabilities(swg22015347)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 83740), X-Force (111144), Vulnerability Center (SBV-57001) and Tenable (89842). Similar entries are available at 81112, 81133, 81138 and 81139.

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.1
NVD Vector: 🔍

CVSSv2infoedit

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfoedit

Name: Key
Class: Information disclosure / Key
CWE: CWE-200
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89842
Nessus Name: Amazon Linux AMI : openssl (ALAS-2016-661) (DROWN) (SLOTH)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12024
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0093
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Timelineinfoedit

12/16/2015 🔍
03/01/2016 +76 days 🔍
03/01/2016 +0 days 🔍
03/01/2016 +0 days 🔍
03/03/2016 +1 days 🔍
03/03/2016 +0 days 🔍
03/05/2016 +2 days 🔍
03/10/2016 +5 days 🔍
02/13/2017 +340 days 🔍
09/01/2018 +564 days 🔍

Sourcesinfoedit

Product: https://www.openssl.org/

Advisory: 20160301.txt
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-0702 (🔍)
OVAL: 🔍

SecurityFocus: 83740
X-Force: 111144 - OpenSSL Intel Sandy-Bridge microarchitecture information disclosure
Vulnerability Center: 57001 - OpenSSL Remote RSA Keys Recovery via a Side Channel Attack - CVE-2016-0702, Medium

See also: 🔍

Entryinfoedit

Created: 03/03/2016 10:47 AM
Updated: 09/01/2018 08:38 AM
Changes: (16) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a advisory_confirm_url source_oval_id
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