PowerDNS Recursor 4.1.0 DNSSEC Signature Validation Spoofing Vulnerability (CVE-2018-1000003)
low Nessus Plugin ID 106487
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Synopsis
The remote name server is affected by a spoofing vulnerability.Description
According to its self-reported version number, the version of the PowerDNS Recursor listening on the remote host is version 4.1.0. It is, therefore, affected by a flaw when handling DNSSEC signature validation of NSEC or NSEC3 records.Note that Nessus has not attempted to exploit these issues but has instead relied only on the application's self-reported version number.
Also, Nessus has not checked for the presence of the patch.
Solution
Upgrade to PowerDNS Recursor 4.1.1 or later. Alternatively, apply the patches referenced in the vendor advisories.See Also
Plugin Details
Severity: Low
ID: 106487
File Name: powerdns_recursor_4_1_1.nasl
Version: 1.5
Type: remote
Family: DNS
Published: 1/30/2018
Updated: 11/8/2019
Dependencies: pdns_version.nasl
Configuration: Enable paranoid mode
Risk Information
CVSS Score Source: CVE-2018-1000003
VPR
Risk Factor: Low
Score: 1.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: Low
Base Score: 3.7
Temporal Score: 3.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:powerdns:powerdns, cpe:/a:powerdns:recursor
Required KB Items: pdns/version_full, pdns/version_source, pdns/type, Settings/ParanoidReport
Exploit Ease: No known exploits are available
Patch Publication Date: 1/22/2018
Vulnerability Publication Date: 1/22/2018
Reference Information
CVE: CVE-2018-1000003