PowerDNS 4.1.0 DNSSEC Validator Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in PowerDNS 4.1.0. It has been rated as problematic. Affected is an unknown function of the component DNSSEC Validator. Performing a manipulation as part of Packet results in input validation. This vulnerability is reported as CVE-2018-1000003. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in PowerDNS 4.1.0 (Domain Name Software). This affects an unknown function of the component DNSSEC Validator. The manipulation as part of a Packet leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

Improper input validation bugs in DNSSEC validators components in PowerDNS version 4.1.0 allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.

The bug was discovered 01/22/2018. The weakness was disclosed 01/22/2018 (Website). It is possible to read the advisory at doc.powerdns.com. This vulnerability is uniquely identified as CVE-2018-1000003 since 01/16/2018. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 106287 (FreeBSD : powerdns-recursor -- insufficient validation of DNSSEC signatures (24a82876-002e-11e8-9a95-0cc47a02c232)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277398 (Fedora Security Update for pdns-recursor (FEDORA-2018-76c82b393e)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106287). The entries VDB-112331 and VDB-122263 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106287
Nessus Name: FreeBSD : powerdns-recursor -- insufficient validation of DNSSEC signatures (24a82876-002e-11e8-9a95-0cc47a02c232)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 840256
OpenVAS Name: PowerDNS Recursor DNSSEC Signatures Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

01/16/2018 🔍
01/22/2018 +6 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/23/2018 +1 days 🔍
01/23/2018 +0 days 🔍
01/24/2018 +1 days 🔍
12/26/2019 +701 days 🔍

Sourcesinfo

Advisory: doc.powerdns.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000003 (🔍)
GCVE (CVE): GCVE-0-2018-1000003
GCVE (VulDB): GCVE-100-112287
See also: 🔍

Entryinfo

Created: 01/23/2018 08:00
Updated: 12/26/2019 15:45
Changes: 01/23/2018 08:00 (72), 12/26/2019 15:45 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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