PowerDNS Authoritative Server/Recursor up to 4.1.4 Cache Packet data processing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in PowerDNS Authoritative Server and Recursor up to 4.1.4. This issue affects some unknown processing of the component Cache Handler. The manipulation as part of Packet results in data processing. This vulnerability is identified as CVE-2018-14626. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in PowerDNS Authoritative Server and Recursor up to 4.1.4 (Domain Name Software). Affected is an unknown functionality of the component Cache Handler. The manipulation as part of a Packet leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on availability. CVE summarizes:

PowerDNS Authoritative Server 4.1.0 up to 4.1.4 inclusive and PowerDNS Recursor 4.0.0 up to 4.1.4 inclusive are vulnerable to a packet cache pollution via crafted query that can lead to denial of service.

The bug was discovered 11/06/2018. The weakness was released 11/29/2018 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2018-14626 since 07/27/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119007 (Fedora 27 : pdns (2018-5a1e2759aa)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171957 (OpenSUSE Security Update for pdns (openSUSE-SU-2018:4156-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119007). Entry connected to this vulnerability is available at VDB-127291. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
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: 119007
Nessus Name: Fedora 27 : pdns (2018-5a1e2759aa)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2018 🔍
11/06/2018 +102 days 🔍
11/16/2018 +10 days 🔍
11/16/2018 +0 days 🔍
11/29/2018 +13 days 🔍
11/29/2018 +0 days 🔍
11/30/2018 +1 days 🔍
06/12/2023 +1655 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14626 (🔍)
GCVE (CVE): GCVE-0-2018-14626
GCVE (VulDB): GCVE-100-127296
See also: 🔍

Entryinfo

Created: 11/30/2018 07:58
Updated: 06/12/2023 08:34
Changes: 11/30/2018 07:58 (72), 04/16/2020 09:15 (4), 06/12/2023 08:34 (14)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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