CVE-2016-6886 - Vulnerability Details - OpenCVE

Description

The pstm_reverse function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid memory read and crash) via a (1) zero value or (2) the key's modulus for the secret key during RSA key exchange.

Published: 2017-01-13

Score: 7.5 High

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:matrixssl:matrixssl:*:*:*:*:*:*:*:*

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-2016-7771	The pstm_reverse function in MatrixSSL before 3.8.4 allows remote attackers to cause a denial of service (invalid memory read and crash) via a (1) zero value or (2) the key's modulus for the secret key during RSA key exchange.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00813.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.matrixssl.org/blog/releases/matrixssl_3_8_4
http://www.securityfocus.com/bid/92604
https://blog.fuzzing-project.org/51-Fun-with-Bignums-Crashing-MatrixSSL-and-more.html

History

No history.

Subscriptions

Matrixssl Matrixssl

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-01-13T16:00:00.000Z

Updated: 2024-08-06T01:43:38.565Z

Reserved: 2016-08-19T00:00:00.000Z

Link: CVE-2016-6886

Vulnrichment

No data.

NVD

Status : Modified

Published: 2017-01-13T16:59:00.247

Modified: 2026-05-13T00:24:29.033

Link: CVE-2016-6886

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-320

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