Vulnerability Details : 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 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.
Vulnerability category: Input validation
Products affected by CVE-2017-15093
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
- cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
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 864
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2017-15093
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ %
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
-
http://www.securityfocus.com/bid/101982
PowerDNS Authoritative Server Module Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
-
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-06.html
PowerDNS Security Advisory 2017-06: Configuration file injection in the API — PowerDNS Recursor documentationMitigation;Patch;Vendor Advisory
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