CVEvulnerability

CVE-2017-15093

5.3 MEDIUM Published 2018-01-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-01-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.3 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
Weaknesses
CWE-20

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.

Affected configurations

• powerdns recursor (>= 3.0 <= 3.7.4) • powerdns recursor (>= 4.0.0 <= 4.0.6)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References