CVE-2016-5427

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Published Sep 21, 2016 CVSS 3.0 · 7.5 High EPSS 63.0% KEV · Not listed

Description

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

Affected Products

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:powerdns:authoritative:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
Debian DLA	DLA-627-1	pdns security update
Debian DSA	DSA-3664-1	pdns security update

Metrics

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.

Exploit prediction score: 63.0% (62.982% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.debian.org/security/2016/dsa-3664
http://www.openwall.com/lists/oss-security/2016/09/09/3
http://www.securityfocus.com/bid/92917
http://www.securitytracker.com/id/1036761
https://doc.powerdns.com/md/security/powerdns-advisory-2016-01/
https://github.com/PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3

History

No history.

Subscriptions

Powerdns Authoritative

Weaknesses

CWE-399

Sources

CVE record Updated: Aug 6, 2024, 1:01 AM

Status: PUBLISHED
Assigner: redhat
Published: Sep 21, 2016, 2:00 PM
Updated: Aug 6, 2024, 1:01 AM
Reserved: Jun 10, 2016, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:49 AM

Status: Modified
Published: Sep 21, 2016, 2:25 PM
Modified: Jun 17, 2026, 12:49 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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