7.5high

CVE-2017-3137

A response packet can cause a resolver to terminate when processing an answer containing a CNAME or DNAME

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
8.9%
percentile 95%
Public exploits
0
none known

Summary

Mistaken assumptions about the ordering of records in the answer section of a response containing CNAME or DNAME resource records could lead to a situation in which named would exit with an assertion failure when processing a response in which records occurred in an unusual order. Affects BIND 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0-P3, 9.11.1b1->9.11.1rc1, and 9.9.9-S8.

Exploit prediction (EPSS)

8.90% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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

Affected products

  • ISC BIND 9

Classification

Weakness

References

  • access.redhat.com /errata/RHSA-2017:1095 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • security.gentoo.org /glsa/201708-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securitytracker.com /id/1038258 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.netapp.com /advisory/ntap-20180802-0002/ · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1040195 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • access.redhat.com /errata/RHSA-2017:1582 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • debian.org /security/2017/dsa-3854 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2017:1583 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/97651 · vdb-entry, x_refsource_BID, x_transferred
  • access.redhat.com /errata/RHSA-2017:1105 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • kb.isc.org /docs/aa-01466 · 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.