Improper Certificate Validation Affecting pdns-recursor package, versions <4.1.9-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE310-PDNSRECURSOR-453977
- published29 Jan 2019
- disclosed29 Jan 2019
Introduced: 29 Jan 2019
CVE-2019-3807 (opens in a new tab)How to fix?
Upgrade Alpine:3.10 pdns-recursor to version 4.1.9-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream pdns-recursor package and not the pdns-recursor package as distributed by Alpine.
See How to fix? for Alpine:3.10 relevant fixed versions and status.
An issue has been found in PowerDNS Recursor versions 4.1.x before 4.1.9 where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation.