CVE-2017-3136
Published: 12 April 2017
A query with a specific set of characteristics could cause a server using DNS64 to encounter an assertion failure and terminate. An attacker could deliberately construct a query, enabling denial-of-service against a server if it was configured to use the DNS64 feature and other preconditions were met. Affects BIND 9.8.0 -> 9.8.8-P1, 9.9.0 -> 9.9.9-P6, 9.9.10b1->9.9.10rc1, 9.10.0 -> 9.10.4-P6, 9.10.5b1->9.10.5rc1, 9.11.0 -> 9.11.0-P3, 9.11.1b1->9.11.1rc1, 9.9.3-S1 -> 9.9.9-S8.
Priority
Status
Package | Release | Status |
---|---|---|
bind9 Launchpad, Ubuntu, Debian |
precise |
Released
(1:9.8.1.dfsg.P1-4ubuntu0.22)
|
trusty |
Released
(1:9.9.5.dfsg-3ubuntu0.14)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(1:9.10.3.dfsg.P4-8ubuntu1.6)
|
|
yakkety |
Released
(1:9.10.3.dfsg.P4-10.1ubuntu1.6)
|
|
zesty |
Released
(1:9.10.3.dfsg.P4-10.1ubuntu5)
|
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 |