CVE-2017-8301 - Vulnerability Details - OpenCVE

Description

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.

Published: 2017-04-27

Score: 5.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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 [-]

OR	cpe:2.3:a:openbsd:libressl:2.5.1:::::::*
	cpe:2.3:a:openbsd:libressl:2.5.2:::::::*
	cpe:2.3:a:openbsd:libressl:2.5.3:::::::*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2017-17262	LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSL_get_verify_result is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

Access Vector Network

Access Complexity High

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00207.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://seclists.org/oss-sec/2017/q2/145
http://www.securityfocus.com/bid/98076
https://github.com/libressl-portable/portable/issues/307
https://trac.nginx.org/nginx/ticket/1257

History

No history.

Subscriptions

Openbsd Libressl

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-04-27T17:00:00.000Z

Updated: 2024-08-05T16:34:22.062Z

Reserved: 2017-04-27T00:00:00.000Z

Link: CVE-2017-8301

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-04-27T17:59:00.187

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-8301

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-295

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