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CVE-2017-3135

Published: 9 February 2017

Under some conditions when using both DNS64 and RPZ to rewrite query responses, query processing can resume in an inconsistent state leading to either an INSIST assertion failure or an attempt to read through a NULL pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5, 9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1.

Priority

Medium

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
bind9
Launchpad, Ubuntu, Debian
precise
Released (1:9.8.1.dfsg.P1-4ubuntu0.21)
trusty
Released (1:9.9.5.dfsg-3ubuntu0.13)
upstream Needs triage

xenial
Released (1:9.10.3.dfsg.P4-8ubuntu1.5)
yakkety
Released (1:9.10.3.dfsg.P4-10.1ubuntu1.3)
zesty
Released (1:9.10.3.dfsg.P4-10.1ubuntu4)

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H