VulnerabilityModified
CVE-2016-6172
PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
MEDIUM 6.8EPSS 3.82%
Does this matter?
Lower severity and a low EPSS score (3.82%). Track it; it rarely justifies an emergency change on its own.
Description
PowerDNS (aka pdns) Authoritative Server before 4.0.1 allows remote primary DNS servers to cause a denial of service (memory exhaustion and secondary DNS server crash) via a large (1) AXFR or (2) IXFR response.
- CVSS 3.0
- 6.8 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 3.82% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- opensuse/leap · opensuse/opensuse · powerdns/authoritative server
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3664
- http://www.openwall.com/lists/oss-security/2016/07/06/3Mailing List
- http://www.securityfocus.com/bid/91678
- http://www.securitytracker.com/id/1036242
- https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401Release Notes
- https://github.com/PowerDNS/pdns/issues/4128Issue Tracking
- https://github.com/PowerDNS/pdns/issues/4133Issue Tracking
- https://github.com/PowerDNS/pdns/pull/4134Issue Tracking
- https://github.com/sischkg/xfer-limit/blob/master/README.mdPatch
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00085.htmlThird Party Advisory
- http://www.debian.org/security/2016/dsa-3664
- http://www.openwall.com/lists/oss-security/2016/07/06/3Mailing List
- http://www.securityfocus.com/bid/91678
- http://www.securitytracker.com/id/1036242
- https://doc.powerdns.com/md/changelog/#powerdns-authoritative-server-401Release Notes
- https://github.com/PowerDNS/pdns/issues/4128Issue Tracking
- https://github.com/PowerDNS/pdns/issues/4133Issue Tracking
- https://github.com/PowerDNS/pdns/pull/4134Issue Tracking
- https://github.com/sischkg/xfer-limit/blob/master/README.mdPatch
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.