Vulnerability Monitor

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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

Published

2019-03-21T21:29:00.700

Last Modified

2024-11-21T04:42:45.870

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-20
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	powerdns	authoritative_server	< 4.0.7	Yes
Application	powerdns	authoritative_server	< 4.1.7	Yes
Operating System	fedoraproject	fedora	28	Yes
Operating System	fedoraproject	fedora	29	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00022.html ([email protected])
http://www.openwall.com/lists/oss-security/2019/03/18/4 Exploit, Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/107491 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3871 Exploit, Issue Tracking, Patch, Third Party Advisory ([email protected])
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-03.html Vendor Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/03/msg00039.html ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWUHF6MRSQ3YO7UUISGLV7MXCAGBW2VD/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROFI6OTWF4GKONNSNEDUCW6LVSSEBZNF/ ([email protected])
https://seclists.org/bugtraq/2019/Apr/8 ([email protected])
https://www.debian.org/security/2019/dsa-4424 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00022.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/03/18/4 Exploit, Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/107491 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3871 Exploit, Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-03.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/03/msg00039.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWUHF6MRSQ3YO7UUISGLV7MXCAGBW2VD/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ROFI6OTWF4GKONNSNEDUCW6LVSSEBZNF/ (af854a3a-2127-422b-91ae-364da2661108)
https://seclists.org/bugtraq/2019/Apr/8 (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4424 (af854a3a-2127-422b-91ae-364da2661108)