CVE-2017-15094: Medium severity powerdns vulnerability

Published Jan 23, 2018
·
Updated

An issue has been found in the DNSSEC parsing code of PowerDNS Recursor from 4.0.0 up to and including 4.0.6 leading to a memory leak when parsing specially crafted DNSSEC ECDSA keys. These keys are only parsed when validation is enabled by setting dnssec to a value other than off or process-no-validate (default).

Affected Software

1 affected component
powerdns recursor>=4.0.0<=4.0.6

Event History

Jan 23, 2018
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
DescriptionWeakness

Frequently Asked Questions

1

What is CVE-2017-15094?

CVE-2017-15094 is an issue in the DNSSEC parsing code of PowerDNS Recursor from version 4.0.0 up to and including version 4.0.6, which leads to a memory leak when parsing specially crafted DNSSEC ECDSA keys.

2

What is the severity of CVE-2017-15094?

The severity of CVE-2017-15094 is medium with a CVSS score of 5.9.

3

How does CVE-2017-15094 affect PowerDNS Recursor?

CVE-2017-15094 affects PowerDNS Recursor versions 4.0.0 to 4.0.6, causing a memory leak when parsing certain DNSSEC ECDSA keys.

4

How can I fix CVE-2017-15094?

To fix CVE-2017-15094, upgrade PowerDNS Recursor to a version beyond 4.0.6.

5

Where can I find more information about CVE-2017-15094?

You can find more information about CVE-2017-15094 at the following references: http://www.securityfocus.com/bid/101982 and https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-07.html.

Contact

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