CVE-2019-16791 - Vulnerability Details - OpenCVE

Description

In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

Published: 2020-01-22

Score: 6.9 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

Snawoot

postfix-mta-sts-resolver

affected

Version	Status	Constraints
`< 0.5.1`	affected	—

Configuration 1 [-]

cpe:2.3:a:postfix-mta-sts-resolver_project:postfix-mta-sts-resolver:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-0149	In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.
Github GHSA	GHSA-h92m-42h4-82f6	postfix-mta-sts-resolver Algorithm Downgrade vulnerability

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00671.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b
https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6

History

No history.

Subscriptions

Postfix-mta-sts-resolver Project Postfix-mta-sts-resolver

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2020-01-22T01:40:14.000Z

Updated: 2024-08-05T01:24:47.238Z

Reserved: 2019-09-24T00:00:00.000Z

Link: CVE-2019-16791

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-01-22T02:15:11.367

Modified: 2026-06-17T02:22:48.730

Link: CVE-2019-16791

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-757
Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
NVD-CWE-Other

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