6.8med

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…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
6.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.8%
percentile 90%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.82% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.8CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD2.07.1AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

  • doc.powerdns.com /md/changelog/#powerdns-authoritative-server-401 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3664 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1036242 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • openwall.com /lists/oss-security/2016/07/06/3 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /PowerDNS/pdns/issues/4128 · x_refsource_CONFIRM, x_transferred
  • github.com /PowerDNS/pdns/issues/4133 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/91678 · vdb-entry, x_refsource_BID, x_transferred
  • lists.dns-oarc.net /pipermail/dns-operations/2016-July/015058.html · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /PowerDNS/pdns/pull/4134 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-08/msg00085.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • github.com /sischkg/xfer-limit/blob/master/README.md · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.