VDB-94152 · CVE-2016-7438 · BID 95066

wolfSSL up to 3.9.9 ECC cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in wolfSSL up to 3.9.9. This vulnerability affects unknown code of the component ECC. The manipulation results in cryptographic issue. This vulnerability is reported as CVE-2016-7438. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in wolfSSL up to 3.9.9. Affected is some unknown functionality of the component ECC. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality. CVE summarizes:

The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.

The bug was discovered 12/22/2016. The weakness was disclosed 12/13/2016 with Intel (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2016-7438 since 09/09/2016. The attack needs to be approached locally. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

Upgrading to version 3.9.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95066†). The entry VDB-94153 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: wolfSSL 3.9.10

Timelineinfo

09/09/2016 🔍
09/26/2016 +17 days 🔍
12/13/2016 +78 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/22/2016 +9 days 🔍
06/25/2019 +915 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Organization: Intel
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7438 (🔍)
GCVE (CVE): GCVE-0-2016-7438
GCVE (VulDB): GCVE-100-94152
SecurityFocus: 95066 - wolfSSLCVE-2016-7438 Local Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 12/13/2016 19:47
Updated: 06/25/2019 09:53
Changes: 12/13/2016 19:47 (59), 06/25/2019 09:53 (6)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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