CVE-2017-15093
When api-config-dir is set to a non-empty value, which is not the case by default, the API in PowerDNS Recursor 4.x up to and including 4.0.6 and 3.x up to and including 3.7.4 allows an authorized user to update the Recursor's ACL by adding and removing…
Does this matter?
Lower severity and a low EPSS score (0.83%). Track it; it rarely justifies an emergency change on its own.
Description
When api-config-dir is set to a non-empty value, which is not the case by default, the API in PowerDNS Recursor 4.x up to and including 4.0.6 and 3.x up to and including 3.7.4 allows an authorized user to update the Recursor's ACL by adding and removing netmasks, and to configure forward zones. It was discovered that the new netmask and IP addresses of forwarded zones were not sufficiently validated, allowing an authenticated user to inject new configuration directives into the Recursor's configuration.
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.83% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- powerdns/recursor
- Source
- secalert@redhat.com
References
- http://www.securityfocus.com/bid/101982Third Party Advisory, VDB Entry
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-06.htmlMitigation, Patch, Vendor Advisory
- http://www.securityfocus.com/bid/101982Third Party Advisory, VDB Entry
- https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-06.htmlMitigation, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.