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.
Published 2018-01-23 15:29:00
Updated 2019-10-09 23:24:12
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Threat overview for CVE-2017-15093

Top countries where our scanners detected CVE-2017-15093
Top open port discovered on systems with this issue 53
IPs affected by CVE-2017-15093 679
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2017-15093!
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Exploit prediction scoring system (EPSS) score for CVE-2017-15093

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-15093

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
5.3
MEDIUM CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
1.6
3.6
NIST

CWE ids for CVE-2017-15093

  • 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.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2017-15093

Products affected by CVE-2017-15093

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