CVE-2020-11735 - Vulnerability Details - OpenCVE

Description

The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."

Published: 2020-06-25

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-4077	The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00356.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/wolfSSL/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f
https://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable

History

No history.

Subscriptions

Wolfssl Wolfssl

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-06-25T13:04:41.000Z

Updated: 2024-08-04T11:41:59.284Z

Reserved: 2020-04-13T00:00:00.000Z

Link: CVE-2020-11735

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-06-25T14:15:11.583

Modified: 2024-11-21T04:58:30.663

Link: CVE-2020-11735

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-203

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