wolfSSL up to 4.6.0 RSA Signature tls13.c DoTls13CertificateVerify certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in wolfSSL up to 4.6.0. This affects the function DoTls13CertificateVerify of the file tls13.c of the component RSA Signature Handler. Performing a manipulation results in certificate validation. This vulnerability is identified as CVE-2021-3336. There is not any exploit available.

Detailsinfo

A vulnerability was found in wolfSSL up to 4.6.0. It has been classified as critical. This affects the function DoTls13CertificateVerify of the file tls13.c of the component RSA Signature Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/29/2021. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-3336. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2021 🔍
01/29/2021 +1 days 🔍
01/29/2021 +0 days 🔍
02/21/2021 +23 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2021-3336 (🔍)
GCVE (CVE): GCVE-0-2021-3336
GCVE (VulDB): GCVE-100-168891

Entryinfo

Created: 01/29/2021 11:30
Updated: 02/21/2021 13:38
Changes: 01/29/2021 11:30 (37), 02/21/2021 13:32 (2), 02/21/2021 13:38 (18)
Complete: 🔍
Cache ID: 216::103

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