7.5high

CVE-2016-5427in critical feed

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to c…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
63.0%
percentile 99%
Public exploits
0
none known

Summary

PowerDNS (aka pdns) Authoritative Server before 3.4.10 does not properly handle a . (dot) inside labels, which allows remote attackers to cause a denial of service (backend CPU consumption) via a crafted DNS query.

Exploit prediction (EPSS)

62.98% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • github.com /PowerDNS/pdns/commit/881b5b03a590198d03008e4200dd00cc537712f3 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1036761 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2016/dsa-3664 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/92917 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/09/09/3 · mailing-list, x_refsource_MLIST, x_transferred
  • doc.powerdns.com /md/security/powerdns-advisory-2016-01/ · x_refsource_CONFIRM, 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.