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CVE-2019-3871

UnknownEPSS 12.86%

Last modified

CVE-2019-3871 is a vulnerability of currently unknown severity. A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response. EPSS estimates a 12.86% chance of exploitation in the next 30 days.

Description

A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response

Metrics

EPSS Probability
12.86%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PowerdnsAuthoritative Server< 4.0.7
PowerdnsAuthoritative Server>= 4.1.0, < 4.1.7
FedoraprojectFedora28
FedoraprojectFedora29

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-3871?
A vulnerability was found in PowerDNS Authoritative Server before 4.0.7 and before 4.1.7. An insufficient validation of data coming from the user when building a HTTP request from a DNS query in the HTTP Connector of the Remote backend, allowing a remote user to cause a denial of service by making the server connect to an invalid endpoint, or possibly information disclosure by making the server connect to an internal endpoint and somehow extracting meaningful information about the response
How severe is CVE-2019-3871?
Severity scoring for CVE-2019-3871 is pending analysis. The EPSS model estimates a 12.86% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3871?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3871?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST