Vulnerability Monitor

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CVE-2019-3807

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.

Published

2019-01-29T17:29:00.350

Last Modified

2024-11-21T04:42:34.870

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 3.7 (LOW)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-345
Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	powerdns	recursor	≤ 4.1.8	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807 Issue Tracking, Third Party Advisory ([email protected])
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3807 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2019-02.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)